An attachment structure of a camera module for attaching to a housing a camera module having an image capturing element portion mounted on a substrate and a lens portion provided on said image capturing element portion. The attachment structure includes an elastic member which is elastically deformed in a thickness direction, arranged between said substrate and said housing, and a latching portion provided on said housing. The camera module engages with said latching portion, and movement of said elastic member in the restoring direction is restricted.