There are four floors in total, will the toilet on the second floor of my house reflect the smell of

This depends on the size of the floor, the amount of furniture and the specific requirements of the owner. If you work about 8 hours a day, or clean once a day, then the charge must be different.

This needs to depend on the situation, first of all, determine whether the water pipe of your house is on the top, if you go to the fixed part, see if the water pipe is leaking, if not, you need to open the room on the third floor to see if the water pipe on the third floor is leaking. Although there is no one on the 3rd floor, there are also water pipes! Everything has to be clear to decide!

Approximate case: I live on the first floor, with a total of five floors. At that time, my toilet (squatting toilet) backwater, reflected to the administrative department in charge (unit housing), let me solve it by myself (insiders say, any layer of littering will cause blockage downstairs), angry and found a large cork plug for the pond tank to block the squatting toilet mouth! >>>More

You can consider doing fresh air, which is still relatively good and worth recommending.

There is no house type, take a look.