What you said is red and itchy, which are the characteristics of flea bites. Moreover, flea bites are often packed in a small row, and most of them have small blisters. If it is as big as Go, you may be bitten by bedbugs. In recent years, many hotels are covered with bedbugs when traveling on business. Because bedbugs are extremely difficult to kill.

Look at Baidu's advice on how to kill fleas or bedbugs. Buy an insecticide that can be sprayed on sheets and mattresses. It's called Polk. If you don't know the spelling, you can also check it directly on Taobao, around 50-55 yuan. It is not enough to just freeze the quilt. Fleas are so powerful. If an egg does not freeze to death, it will continue to use your bed as a hotbed. I suggest you do it well!