1. The dredge is a product that uses air pressure to achieve a one-time dredge effect. The side of the product is equipped with a barometer. When the air pressure is injected into the air pump, when the air pressure reaches the reference value of the air pressure value set according to the blockage in different places, the dredging can be completed only by pressing the key lightly. 2. Toilet blockage is a common problem in our life. Every time the blockage is serious, we need to ask a professional master to dredge it. It takes time and money. We also need to wait and cannot use the toilet. The purpose of designing this product is to solve the clogging problems of toilet, floor drain, sink, washbasin, etc. Its operation is simple and convenient, no need to wait, and only a few simple steps are needed. Individuals can complete the above problems alone, saving time, labor and money. 3. The design of the product handle conforms to the man-machine operation, and is equipped with different plugs according to different places. The plugs are made of rubber to prevent sewage from splashing everywhere during the operation of the product.