Safety of electric spring device for clearing the blockage of kitchen sewer. The electric dredging spring device can make the attachments stuck on the drain pipe vibrate and fall off. The spring thickness of electric desilting spring equipment can be divided into many machines. The first type is a spring with a diameter of 2 cm, which can generally dredge pipes with a diameter of 5- 1 10 mm, and is suitable for pipes such as kitchens and bathrooms in home buildings. Most of the machines are three-legged or square box machines, which are more durable.