The invention provides a forklift. Wheels are arranged below a forklift body. A front stand column and a rear stand column are arranged above the forklift body, and a ceiling is arranged on the front stand column and the rear stand column. A seat and an operation table are arranged at the position, below the ceiling, of the forklift body, and a balancing weight is arranged below the forklift body. A lifting frame is arranged at the front end of the forklift body and provided with a forklift arm. A first impact sensor is arranged on the front stand column, and a second impact sensor is arranged on the ceiling. The seat comprises a base and a backrest located behind the base. The backrest comprises a rotating plate and a flexible layer. A drive shaft is fixed to the lower end of the rotating plate, and one end of the drive shaft is connected with a drive motor. The drive motor, the first impact sensor and the second impact sensor are electrically connected with the operation table. The forklift can automatically act when accidental impacting happens, and the work safety of a forklift driver is guaranteed.