diff --git a/.gitignore b/.gitignore
index e257658..a5b2030 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1,4 @@
+dist/
 # ---> C++
 # Prerequisites
 *.d
diff --git a/Makefile b/Makefile
new file mode 100644
index 0000000..d148c63
--- /dev/null
+++ b/Makefile
@@ -0,0 +1,11 @@
+CC = gcc
+CFLAGS = -Wall -Wextra -O2
+
+TARGET = dist/hello
+SRC = src/hello.c
+
+$(TARGET): $(SRC)
+	$(CC) $(CFLAGS) $(SRC) -o $(TARGET)
+
+clean:
+	rm -f $(TARGET)
\ No newline at end of file
diff --git a/readme/c.md b/readme/c.md
new file mode 100644
index 0000000..e560080
--- /dev/null
+++ b/readme/c.md
@@ -0,0 +1 @@
+# C言語について
\ No newline at end of file
diff --git a/src/hello.c b/src/hello.c
new file mode 100644
index 0000000..52fe27f
--- /dev/null
+++ b/src/hello.c
@@ -0,0 +1,10 @@
+/** Hello world program in C
+*   command: gcc src/hello.c -o dist/hello
+*   run: ./dist/hello
+*/
+#include <stdio.h>
+
+int main(void) {
+    printf("Hello, world!\n");
+    return 0;
+}
\ No newline at end of file