There are small black worms in the house, with antennae on their heads, a hard shell, and they like

It should be a cockroach, you can take a look at it against the picture below.

Cockroaches have become one of the three most resistant pests in the world, and can also spread germs, the most practical and economical way is to try not to eat snacks in the house (what has been opened must be sealed), and find a place for Xiaoqiang to hide (especially pay attention to the dark garbage in the gaps). And also:1

Throw out the garbage once a day. 2.People like to eat things Xiaoqiang also likes, pay attention to cleaning the pieces.

3.Tidy up the room, sweep and mop it thoroughly, clean it up, throw away everything you don't need, and greatly reduce its hiding place.

If the drug kills, you can dissolve boric acid powder (available in pharmacies) in a small amount of water, mix it with steamed mashed potatoes of the same weight, and put it in the corners and crevices where cockroaches must pass, and all cockroaches will disappear within a week. Boric acid as a non-organophosphorus and non-pyrethroid drugs for the control of cockroaches has long been reported, some cockroach killers also contain boric acid, cockroaches eat boric acid after not digesting, by their own life to die. When using it, pay attention to avoid boric acid entering the eyes and avoid accidental ingestion.

It's a simple and practical method that works greatly.

Hello, you can buy some medicine and spray to treat this bug!