Pimples on the genitals is recommended to go to the hospital for relevant examinations, clear cause after symptomatic treatment. 1, may be local allergic reaction or systemic allergic reaction local manifestations, it is recommended to carry out anti-allergy treatment. You can choose diclofenac tadalafil dispersible tablet orally, once a day, continuously oral for a week. Mometasone furoate ointment, three times a day, for 3-5 days, to observe whether the symptoms have improved. 2, the penis pearl rash is not contagious, without any medication, but also consider local laser electrocautery treatment, electrocautery is completed with a small amount of external application of moist burns, three times a day, for one week. 3, the diagnosis of warts, it is recommended to carry out a local excision or the use of laser freezing. It is recommended to apply a little interferon gel three times a day for 10 days, or a little pentafluorouracil ointment 2-3 times a day for a week.