Mosquito liquid is not recommended when sleeping, mosquito liquid is made into a liquid state, through heating and release in space, the release of substances is toxic to mosquitoes, is an organic phosphorus composition, can play a mosquito, kill mosquitoes, mosquito repellent role, so when people sleep can not be used, especially many people like to use mosquito liquid in sleeping next to the pillow, directly absorbed by the human respiratory tract. Long-term application of mosquito liquid in bed will lead to chronic gas poisoning. The correct way to apply mosquito liquid is in a closed and unventilated room, first lit mosquito liquid, but people must leave the room, after half an hour of evaporation and then return to the room to open the doors and windows, can play a role in eliminating mosquitoes, but people are not contaminated.