The electric roll film opener is designed for opening and closing side and roof windows of plastic film greenhouses, replacing traditional manual roll film openers for quick rolling and unrolling of films and automatic control of greenhouse environments. The electric roll film opener features a drive shaft made of Φ25*1.5 or Φ20*1.5 thin-walled galvanized pipe. It is lightweight, has a high output torque, self-locking output, high positioning accuracy, wide adjustment range, waterproof and condensation-proof capabilities, and low energy consumption, making it suitable for use in various climates and the ideal choice for modern greenhouse structures.