Many insect bites can cause pinprick-like pain in the skin, and the more common ones in life include mosquitoes, fleas, lice, ticks, mites, as well as bedbugs and bees. Insects are diverse and closely related to human health, most of them can cause itching, pain and other inflammatory irritation manifestations of the skin. This acute inflammatory skin reaction that occurs from insect bites or contact with their poisonous hairs is called insect bite dermatitis. Lesions are located in the face and limbs and other exposed areas, in addition to local pins and needles-like pain, but also erythema, papules, pimples, blisters, pustules and other skin lesions, often accompanied by itching. After the mosquito bite, such as pain is more serious, you can follow medical advice to take appropriate anti-allergy drugs, such as loratadine, cetirizine, etc.. Local coolant can be applied, or local topical glucocorticoid preparations, glyburide lotion, erythromycin ointment, etc., so as to reduce inflammation, pain and itching. In order to prevent mosquitoes from biting again, you can also apply drugs to repel mosquito bites. Try to avoid scratching, so as not to aggravate the lesions, and may be secondary to post-injury infection. Most mosquito bite reaction can subside in about 1 week, the prognosis is good, if there are scratches, may leave a slight scar. Daily life to develop good hygiene habits, especially in summer and autumn, pay attention to insect prevention, when you go out, you can apply insect repellent or wearing long pants, long clothes, etc., room installation screens, indoor mosquito nets can be used, for children to be careful to use chemical mosquito control measures.