Key assist device

The embodiment of the specification provides a key assist device. The key assist device comprises a handle body, a handle, an adjusting handle, an adjusting device and a clamping device, the clamping device is arranged at one end of the handle body; a handle is further arranged on the handle body and arranged in the length direction of the handle body, and when a user grasps the handle body, the handle is located on the outer side of the hand back of the user; the clamping device comprises an upper clamping plate and a lower clamping plate, and an adjusting device used for adjusting the distance between the upper clamping plate and the lower clamping plate is arranged on the clamping device. One end of the adjusting handle is detachably arranged on the handle, and the other end of the adjusting handle is fixedly arranged on the clamping device through the adjusting device. The self-resetting key is suitable for people with injured hands, people with small strength, people in a cold or high-temperature environ