The utility model belongs to the technical field of chain drive, in particular relates to a special chain for plastic film recycling machine, comprising a plurality of inner chain sections and outer chain sections, the inner chain section comprises an attached plate and a sleeve, the attached plate is a U-shaped structure with an opening facing down, the first end and the tail end are provided with a sleeve, the inner and outer sides of the U-shaped structure are covered with friction parts, the material of the friction parts is rubber or plastic or friction material The bottom surface of the friction part is an open downward curved surface; The outer chain section comprises an outer chain plate and A pin shaft, and the friction part is provided with A circular hole A coaxial with the sleeve, and the pin gap is arranged in the circular hole A and the sleeve, and the two ends of the outer chain plate are respectively connected with two attached plates, and the interference between the pin and the outer chain plate; The chain is provided with columns at intervals; The column is fixed vertically on the outer side wall of the top end face of the attached plate, and a number of inner chain links are spaced between the two adjacent columns. The chain of the utility model is used in the process of film recovery, can adapt to the dusty and vibrating environment, and has high working efficiency.