When horsefly larvae parasitize a person, the patient needs to visit a hospital and seek medical help. Horse fly larvae are mainly parasitized on human skin through mosquito and fly bites. When mature female flies will lay eggs on mosquitoes and flies, the eggs will hatch in the lesions and burrow into the skin after the patient is bitten. Once, there is a case of horsefly larvae parasitizing on human skin, patients should not pull the horsefly larvae directly to avoid aggravating the damage. They should go to a regular hospital, where the doctor will use medical equipment to remove the larvae from the body in time. After treatment, you need to keep the local skin clean and avoid scratching the skin to avoid infection. In daily life, you need to pay attention to anti-mosquito and anti-fly measures, and wear long sleeves and long pants when you go out. In terms of diet, you can eat more food rich in vitamins and proteins, and less spicy and stimulating food.