Small bumps on the scrotum are relatively common and are seen in several areas such as hair follicle tissue, meatloaf, mosquito bites, and STDs. 1, hair follicle tissue: some people have relatively large hair follicles, because there are also hair follicles on the scrotum, so, may be manifested as small bumps, this situation, the patient will not have any symptoms, and do not need special treatment. 2, meat flab: part of the population due to personal development, may have meat flab situation, manifested as a small local bulge, daily will not have any symptoms, however, after the meat flab squeeze or rub, there may be local inflammation performance, local may have red swelling pain, local inflammation, you can consider the local application of Bactrim or erythromycin ointment, a little better anti-inflammatory effect, can promote the local condition Symptoms of recovery. 3, mosquito bites: If there are small local bumps, accompanied by local redness and swelling, there may be small mosquito bites, as the local inflammation slowly subsides, the symptoms will also slowly subside, there will generally be no sequelae. 4, venereal disease, if there is a case of unclean sex, may be infected with venereal disease, such as syphilis, after the development of the second stage, there will be small genital bulges, with the development of the disease will be further aggravated, the local condition will also be aggravated, and at the same time may be accompanied by circumscribed symptoms. In short, when you find small bumps on the scrotum, you should not be too nervous, analyze the situation carefully and understand the diagnosis before considering follow-up treatment.