1. According to the sewage outlet of the installed product, reserve the sewer pipe at a proper position away from the wall, and determine the distance between the entrance of the sewer pipe and the ground level.

2. The depth of the pit reserved under the ground for installing the squatting pan is greater than the height of the toilet.

3. Put the connecting rubber plug into the water inlet of the squatting pan and fasten it. Coat a layer of glass glue or putty on the outer edge in contact with the water inlet hole of the squatting pan, and insert the glue into the water inlet hole to make it seal well with the rubber plug to prevent water leakage.

4. Paint a layer of glass glue or putty on the edge of the water outlet of the squatting pan, put it into the entrance of the sewer pipe for screwing, and erect the toilet horizontally with cinder or other fillers.

5. Turn on the water inlet system and check whether there is water leakage at each joint. If there is water leakage, check the situation at each joint. Until the problem is solved.

6. After checking that there is no water leakage at each joint, fill the periphery of the toilet with filler, and at the same time, fill the contact surface between ceramics and cement mortar with elastic materials such as asphalt or linoleum more than 1cm.

7. Fix the squatting pan in the horizontal plane with cement mortar, and then spread the bathroom floor tile on the cement surface after it is stable and firm.

8. Try flushing, and use it if there is no abnormality.