1. Consult with the upstairs residents to solve the problem together.
2, recruit to find the relevant property department, ask professionals to carry out maintenance. Sewage is not smooth solution: 1, mechanical dredge with hand dredge; Rubber chuai Chuai, pay attention to skills, chuai strength, strength up! 2, chemical formula in the supermarket to buy pipeline chemical dredging agent, according to the instructions to use, do not use hot water, easy to splash burns, caustic alkali.
3. Physically connect one end of the soft rubber pipe to the faucet and the other end to the floor drain and seal it tightly. Turn on the faucet slowly and use the water pressure to flush the dirt out.