The invention discloses a light aluminum-wood composite door with an anti-theft function. The light aluminum-wood composite door comprises a door frame, a wood leaf sectional material and a wood framesectional material, the wood leaf sectional material is movably connected to the door frame, a door handle is arranged on the outer surface of the wood leaf sectional material and fixedly connected to the wood leaf sectional material, and a diamond net screen window is arranged on the side, away from the door handle, of the wood leaf sectional material and welded to the wood leaf sectional material. A first bedplate is arranged on the outer surface of the door frame and tightly attached to the door frame. According to the light aluminum-wood composite door with the anti-theft function, an electronic alarming lock is mounted on the outer surface of the leaf sectional material, when the electronic alarming lock is damaged strongly, alarming is sent out through the electronic alarming lock,thus the alarming and anti-theft effects can be effectively achieved, a camera is mounted on the outer surface of the wood leaf sectional material, the basic information of people stopping in front ofthe door can be recorded, a thief can be traced after stealing occurs, and thus the further anti-theft effect is achieved.