There is a smell in the living room after taking off, and there is no other room, what s going on

Mop the reason, use caustic soda, or add some scented hand sanitizer and then mop, remember to mop to dry every day.

Absolutely, the water was diluted in the first place.

Exhaust pipe leakage: Reason: The exhaust pipe of the floor is shared, and it may be that other houses seep down through the aluminum gusset when draining, Method: Check whether the exhaust fan is connected to the exhaust outlet with a hose.

Generally, the toilet reverse smell is generally not the smell of the toilet is the smell that comes out of the floor drain, this is because the curved pipe under the floor drain is not installed, there should be a deodor-proof curved sewer pipe under the floor drain when decorating, this curved sewer pipe can prevent the odor from returning, the curved sewer pipe under the toilet is done when building a house, and the curved pipe generally does not appear peculiar smell, and the peculiar smell should be eliminated by reinstalling it.

If you don't have it, it's normal, eat more foods that are high in fiber, eat more foods that are good for convenience such as bananas, if there is less stool, the smell will be smaller.