Why do flies like to fly on people?

There are many reasons why flies like to fly to people, such as overheating, sebum secretion of oil, body odor attracting flies, personal unsanitary, sweaty, unsanitary environment and so on. Will make flies fly to people.

Flies are completely metamorphosed insects, and their life history can be divided into three stages: eggs, larvae (3rd instar), pre-pupae, pupae and adults. Their life span is only about 1 month and they are very fertile.

Flies belong to omnivorous flies, and their feeding habits are very complex, and they can feed on various substances.

Fly has obvious phototaxis, and it is an insect with frequent activities during the day. They are static at night, good at flying, and their activities are greatly affected by temperature.