Provided is a lens module, including a lens barrel, a first lens and a spacing ring. The lens barrel includes a first barrel wall hole and a second barrel wall extending from the first barrel wall while being bent. The first lens includes a bearing portion. The spacing ring abuts against an inner wall of the second barrel wall. The bearing portion of the first lens is fixedly connected to an image side surface of the spacing ring and an image side surface of the second barrel wall. An adhesive groove is formed at a position where the first lens is connected to the spacing ring and the second barrel wall. The lens module according to the present invention is stable and reliable, and has a smaller contour dimension, a smaller overall length, and an increased mechanical back focal length.