The invention discloses a light strip attaching apparatus for attaching LED light strips to a lamp which has an inner circular wall used for attaching the light strips. The light strip attaching apparatus comprises a base as well as a turntable and a compression mechanism disposed on the base; the base comprises a rotation drive mechanism which is in transmission connection with the turntable to drive the turntable to rotate; the side of the turntable opposite to the base is provided with a mounting site for mounting the lamp; a presser mechanism is located on the inner side of the mounting site and used for abutting LED light strips to the inner circular wall of the lamp. The technical scheme may improve the attaching efficiency of LED light strips and reducing rework cost of LED lamps.