diff --git a/src/main/java/org/ntlab/rdlcanvas/parser/BooleanValue.java b/src/main/java/org/ntlab/rdlcanvas/parser/BooleanValue.java
new file mode 100644
index 0000000..10adab1
--- /dev/null
+++ b/src/main/java/org/ntlab/rdlcanvas/parser/BooleanValue.java
@@ -0,0 +1,19 @@
+package org.ntlab.rdlcanvas.parser;
+
+public class BooleanValue extends Value{
+    Boolean booleanValue;
+
+    public void setBooleanValue(String stringValue){
+        if(stringValue.equals("true")){
+            booleanValue = true;
+        }else{
+            booleanValue = false;
+        }
+    }
+
+    @Override
+    public String toString(){
+        return String.valueOf(booleanValue);
+    }
+
+}
diff --git a/src/main/java/org/ntlab/rdlcanvas/parser/Parser.java b/src/main/java/org/ntlab/rdlcanvas/parser/Parser.java
index f9e7895..b09b678 100644
--- a/src/main/java/org/ntlab/rdlcanvas/parser/Parser.java
+++ b/src/main/java/org/ntlab/rdlcanvas/parser/Parser.java
@@ -24,6 +24,8 @@
     public static final String COMMA = ",";
     public static final String COLON = ":";
     public static final String DOUBLE_QUOT = "\"";
+    public static final String TRUE = "true";
+    public static final String FALSE = "false";
 
     // Json文字列を標準入力から受け取るコンストラクタ
     public Parser() {
@@ -93,6 +95,8 @@
             }
         } else if (Character.isDigit(tokenStream.checkNext().charAt(0))) {
             return parseIntegerValue(tokenStream);
+        } else if(tokenStream.checkNext().equals(TRUE) || tokenStream.checkNext().equals(FALSE)){
+            return parseBooleanValue(tokenStream);
         }
         throw new RuntimeException(String.valueOf(tokenStream.getLine()));
     }
@@ -159,6 +163,16 @@
         return stringValue;
     }
 
+    public BooleanValue parseBooleanValue(TokenStream tokenstream){
+        BooleanValue booleanValue = new BooleanValue();
+        StringBuilder stringBuilder = new StringBuilder();
+        while(!(stringBuilder.toString().equals(TRUE)||stringBuilder.toString().equals(FALSE))){
+            stringBuilder.append(tokenstream.next());
+        }
+        booleanValue.setBooleanValue(stringBuilder.toString());
+        return booleanValue;
+    }
+
     public void expect(TokenStream tokenStream, String expect) {
         if (!tokenStream.checkNext().equals(expect)) {
             throw new RuntimeException("expect" + expect + "but" + tokenStream.checkNext() + " line" + tokenStream.getLine());