There are a lot of small flying insects in my bathroom, is it okay to use cockroach pills?

Keep dry. Then flush the drain with hot water appropriately. There are also a few camphor wood balls that can be put in the bathroom.

The floor drain in the toilet drain did not work to get the floor drain right.

Check all the drain bars in the house, the basic problems are here, and you can solve them by rinsing them with warm salt water a few times.

Those are tide insects, it turns out that our bathroom also has this kind of small black worm, now often keep the bathroom dry, there will be no such insects, more ventilation, do not let the bathroom often in a damp environment will be much better.

A damp bathroom is a good place to breed tide insects and some small flying insects, especially near the floor drain, which is often infested with insects. It is not difficult to deal with this tide insect and small flying insects, and spray insecticides can be used in areas where insects are present, or residual insecticides can be used. The floor drain in the bathroom is the main place where insects are produced and infested, and there is an inverted hemispherical device at the mouth of the floor drain, and some good contact killing drugs are sprayed on its downward side to block the entry of insects. >>>More