The toilet drains slowly, and I don t put anything in it, and suddenly it goes down slowly?

1. The whole water tank only plays a role in putting water into the toilet, and there is no inevitable connection with the slow draining of the toilet, it should be that the sewer pipe is a little blocked. If you can't figure it out yourself, you can try it at the dredging staff.

Nothing to do with the tank. Before considering other factors for the time being, you try it first, use a hand-cranked spiral steel wire sewer slinker, send it down for a period (as deep as possible) and then pull it out directly to see if there is any debris that has been pulled out, and if there is, remove the debris. Whether you want to try again or not, go deeper.

If not, take the drill down and flush the water at the same time and jerk upwards. After using this method, a flush test should be performed to see if it has improved. If there is no improvement, other factors will have to be considered, which involves the structure of your sewer pipes, which can only be judged by on-site inspection.

The pipes downstairs are a little clogged=. =

It doesn't have much to do with your own family.