Auxiliary tool for mounting self-adhesive film

The utility model provides an auxiliary tool for mounting a self-adhesive film, which comprises a base, a plurality of groups of rollers mounted on a shaft are arranged at the bottom of the base, a hinged first support rod is arranged on the base, a torsional spring is arranged at the hinged point of the first support rod and the base, and a second support rod is hinged to the end part of the first support rod. The middle section of the second supporting rod is connected with the middle section of the first supporting rod through a tension spring, a rotatable flattening roller is arranged at one end of the second supporting rod, and an operation handle is arranged on the second supporting rod. According to the auxiliary tool, the self-adhesive film with a large area can be rapidly flattened, a worker does not need to bend down and hold a roller by hand to flatten the self-adhesive film installed on the ground, the laying efficiency of the self-adhesive film is effectively improved, and meanwhile lumbar verteb