The invention discloses a flash type pendant lamp with the heat dissipation function. The flash type pendant lamp with the heat dissipation function comprises an air cylinder motor and flash type pendant lamp bodies and is characterized in that the air cylinder motor is arranged on a fixing base, columnar air cylinder chambers which are arranged in the front-rear-left-right direction are arrangedon the other end surface of the fixing base, engine rods which move up and down through the change of the pressure intensity of air cylinders are arranged in the columnar air cylinder chambers and areconnected to a rotating motor base, a rotating motor capable of rotating is arranged on the rotating motor base, a rotating mechanism driven by the rotating motor is connected to the lower part of the rotating motor, the flash type pendant lamp bodies are connected to lateral connecting rods and are connected to the rotating mechanism, and gas guide pipes are arranged in the direction, corresponding to the lower columnar air cylinder chambers, of the air cylinder motor and are connected to the columnar air cylinder chambers and communicate with the columnar air cylinder chambers. The flash type pendant lamp with the heat dissipation function has the advantage that the defects in the prior art can be overcome.