The soft sealing gate valve is a replacement product of the traditional gate valve. It uses the compensation effect of the elastic gate plate to produce a small amount of deformation to achieve a good sealing effect. The valve has the obvious advantages of light switch, reliable sealing, good elastic memory and long service life, and can be widely used It is used as a regulating and intercepting device on fluid pipelines such as tap water, sewage, construction, food, electricity, medicine, metallurgy, textiles, energy systems, etc.