Mint can repel mosquitoes and insects. As mint contains peppermint oil, menthol and other volatile substances, in a small area can play a role in dispersing mosquitoes and insects, but the effect is poor, seven or eight square rooms rely only on a plate of mint is not very useful. The best mosquito repellent plant is pyrethrum, the rest of the plant mosquito repellent performance and mint is almost the same.