diff --git a/apps/face-detection/haar.py b/apps/face-detection/haar.py
new file mode 100644
index 0000000..f4966ea
--- /dev/null
+++ b/apps/face-detection/haar.py
@@ -0,0 +1,11 @@
+import cv2
+
+def detect_faces(img_file):
+    face_cascade = cv2.CascadeClassifier('haarcascade_frontalface_default.xml')
+    img = cv2.imread(img_file)
+    gray = cv2.cvtColor(img, cv2.COLOR_BGR2GRAY)
+    faces = face_cascade.detectMultiScale(gray, 1.1, 4)
+    ret = []
+    for (x, y, w, h) in faces:
+        ret.append((x, y, x + w, y + h))
+    return ret