What kind of insect bit this? How to get rid of home?

You can't tell from the bite marks what insect bit it. However, some measures can be taken to get rid of bugs at home.

1. Mosquitoes can be prevented from biting by mosquito-repellent incense, mosquito repellent liquid, screen window, etc.

2. For fleas, you can use pesticides, flea medicine, vacuum cleaners, etc.

3. For bedbugs, pesticides, scalding water and vacuum cleaners can be used.

It is suggested to clean regularly, keep the environment dry and clean, and reduce the appearance of insects. If there is a serious bite or infection, it is recommended to seek professional help.