diff --git a/LC_Tutorial/Tutorial/BasicPlots/DoughnutWindow.xaml b/LC_Tutorial/Tutorial/BasicPlots/DoughnutWindow.xaml
new file mode 100644
index 0000000..590a2d0
--- /dev/null
+++ b/LC_Tutorial/Tutorial/BasicPlots/DoughnutWindow.xaml
@@ -0,0 +1,36 @@
+<Window x:Class="Tutorial.BasicPlots.DoughnutWindow"
+        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+        xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
+        xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
+        xmlns:local="clr-namespace:Tutorial.BasicPlots"
+        xmlns:lvc="clr-namespace:LiveCharts.Wpf;assembly=LiveCharts.Wpf"
+        mc:Ignorable="d"
+        Title="DoughnutWindow" Height="450" Width="800">
+    <Grid>
+        <Grid.RowDefinitions>
+            <RowDefinition Height="*"/>
+            <RowDefinition Height="30"/>
+        </Grid.RowDefinitions>
+
+        <lvc:PieChart Name="chtPie" Grid.Row="0" Series="{Binding SeriesCollection}" LegendLocation="Right" InnerRadius="100" Margin="0 15">
+            <lvc:PieChart.ChartLegend>
+                <lvc:DefaultLegend BulletSize="40"/>
+            </lvc:PieChart.ChartLegend>
+            <lvc:PieChart.DataTooltip>
+                <lvc:DefaultTooltip BulletSize="20"/>
+            </lvc:PieChart.DataTooltip>
+        </lvc:PieChart>
+
+        <StackPanel Grid.Row="1" Orientation="Horizontal">
+            <Button x:Name="btnUpdate" Content="Update" Click="btnUpdate_Click"/>
+            <Button x:Name="btnRestart" Content="Restart" Click="btnRestart_Click"/>
+            <TextBlock VerticalAlignment="Center" Padding="10 0" Text="Series"/>
+            <Button x:Name="btnAddSeries" Content="+" MinWidth="30" Click="btnAddSeries_Click"/>
+            <Button x:Name="btnRemoveSeries" Content="-" MinWidth="30" Click="btnRemoveSeries_Click"/>
+            <TextBlock VerticalAlignment="Center" Padding="10 0" Text="Value"/>
+            <Button x:Name="btnAddValue" Content="+" MinWidth="30" Click="btnAddValue_Click"/>
+            <Button x:Name="btnRemoveValue" Content="-" MinWidth="30" Click="btnRemoveValue_Click"/>
+        </StackPanel>
+    </Grid>
+</Window>
diff --git a/LC_Tutorial/Tutorial/BasicPlots/DoughnutWindow.xaml.cs b/LC_Tutorial/Tutorial/BasicPlots/DoughnutWindow.xaml.cs
new file mode 100644
index 0000000..daf2602
--- /dev/null
+++ b/LC_Tutorial/Tutorial/BasicPlots/DoughnutWindow.xaml.cs
@@ -0,0 +1,123 @@
+using LiveCharts;
+using LiveCharts.Defaults;
+using LiveCharts.Wpf;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using System.Windows;
+using System.Windows.Controls;
+using System.Windows.Data;
+using System.Windows.Documents;
+using System.Windows.Input;
+using System.Windows.Media;
+using System.Windows.Media.Imaging;
+using System.Windows.Shapes;
+
+namespace Tutorial.BasicPlots
+{
+    /// <summary>
+    /// DoughnutWindow.xaml에 대한 상호 작용 논리
+    /// </summary>
+    public partial class DoughnutWindow : Window
+    {
+        private int _index;
+
+        public SeriesCollection SeriesCollection { get; set; }
+
+        public DoughnutWindow()
+        {
+            InitializeComponent();
+            InitInstance();
+        }
+
+        private void InitInstance()
+        {
+            SeriesCollection = new SeriesCollection()
+            {
+                new PieSeries()
+                {
+                    Title = "Chrome",
+                    Values = new ChartValues<ObservableValue> { new ObservableValue(8) },
+                    DataLabels = true,
+                },
+                new PieSeries()
+                {
+                    Title = "FireFox",
+                    Values = new ChartValues<ObservableValue> { new  ObservableValue(6) },
+                    DataLabels = true,
+                },
+                new PieSeries()
+                {
+                    Title = "Opera",
+                    Values = new ChartValues<ObservableValue> { new  ObservableValue(10) },
+                    DataLabels = true,
+                },
+                new PieSeries()
+                {
+                    Title = "Edge",
+                    Values = new ChartValues<ObservableValue> { new  ObservableValue(20) },
+                    DataLabels = true,
+                },
+            };
+
+            DataContext = this;
+        }
+
+        private void btnUpdate_Click(object sender, RoutedEventArgs e)
+        {
+            Random rand = new Random();
+            foreach (var series in SeriesCollection)
+            {
+                foreach (var observable in series.Values.Cast<ObservableValue>())
+                {
+                    observable.Value = rand.Next(0, 20);
+                }
+            }
+        }
+
+        private void btnRestart_Click(object sender, RoutedEventArgs e)
+        {
+            chtPie.Update(true, true);
+        }
+
+        private void btnAddSeries_Click(object sender, RoutedEventArgs e)
+        {
+            Random rand = new Random();
+            int len = SeriesCollection.Count > 0 ? SeriesCollection[0].Values.Count : 5;
+
+            var vals = new ChartValues<ObservableValue>();
+            for (int i = 0; i < len; i++)
+            {
+                vals.Add(new ObservableValue(rand.Next(0, 10)));
+            }
+
+            SeriesCollection.Add(new PieSeries() { Values = vals, DataLabels = true, Title = $"Browser{++_index}" });
+        }
+
+        private void btnRemoveSeries_Click(object sender, RoutedEventArgs e)
+        {
+            if (SeriesCollection.Count > 0)
+                SeriesCollection.RemoveAt(SeriesCollection.Count - 1);
+        }
+
+        private void btnAddValue_Click(object sender, RoutedEventArgs e)
+        {
+            Random rand = new Random();
+            foreach (var series in SeriesCollection)
+            {
+                series.Values.Add(new ObservableValue(rand.Next(0, 10)));
+            }
+        }
+
+        private void btnRemoveValue_Click(object sender, RoutedEventArgs e)
+        {
+            foreach (var series in SeriesCollection)
+            {
+                if (series.Values.Count > 0)
+                    series.Values.RemoveAt(series.Values.Count - 1);
+            }
+        }
+    }
+}
diff --git a/LC_Tutorial/Tutorial/MainWindow.xaml b/LC_Tutorial/Tutorial/MainWindow.xaml
index c9380b2..51ac560 100644
--- a/LC_Tutorial/Tutorial/MainWindow.xaml
+++ b/LC_Tutorial/Tutorial/MainWindow.xaml
@@ -22,6 +22,7 @@
             <Button x:Name="btnBubble" Content="Bubble" Margin="3" Click="btnBubble_Click"/>
             <Button x:Name="btnFinancial" Content="Financial" Margin="3" Click="btnFinancial_Click"/>
             <Button x:Name="btnPie" Content="Pie" Margin="3" Click="btnPie_Click"/>
+            <Button x:Name="btnDoughnut" Content="Doughnut" Margin="3" Click="btnDoughnut_Click"/>
         </StackPanel>
     </Grid>
 </Window>
diff --git a/LC_Tutorial/Tutorial/MainWindow.xaml.cs b/LC_Tutorial/Tutorial/MainWindow.xaml.cs
index bfc503b..7800357 100644
--- a/LC_Tutorial/Tutorial/MainWindow.xaml.cs
+++ b/LC_Tutorial/Tutorial/MainWindow.xaml.cs
@@ -85,5 +85,11 @@ namespace Tutorial
             PieWindow win = new PieWindow();
             win.Show();
         }
+
+        private void btnDoughnut_Click(object sender, RoutedEventArgs e)
+        {
+            DoughnutWindow win = new DoughnutWindow();
+            win.Show();
+        }
     }
 }