Small bumps on the scrotum may be scrotal eczema, flat warts, follicular tissue, etc., and should be promptly consulted to identify the cause. 1. scrotal eczema: scrotal eczema is usually in the scrotum area of the eczema, usually because of bacterial infection, flora imbalance and other factors, usually lead to patients with itching and so on, and because of the impact of inflammation, which caused the scrotum on both sides of the small particles of the situation. 2. flat warts: flat warts is a kind of disease caused by HPV virus infection, usually due to chronic inflammation and secretion for a long time to stimulate the lower body induced disease, usually lead to the appearance of light red and white papules on the vulva. 3. Hair follicle tissue: some people have relatively larger hair follicles, because there are also hair follicles present on the scrotum, so, it may manifest as a small pimple situation, in this case, the patient will not have any symptom, and there is no need for special treatment. This symptom alone is not enough to diagnose the disease, and may be caused by other factors. It is recommended that the patient consult a doctor in time, ask the doctor to clarify the cause of the disease, and give targeted treatment.