Small red bubbles on the glans are a symptom of genital herpes. Genital herpes is caused by herpes virus infection due to impure sexual intercourse, and in some people, herpes virus infection is caused by oral sex because herpes virus is normally present in the mouth. It can lead to genital herpes infection during oral sex. If you are infected, you must keep the area clean and dry, wash the affected area with isotonic saline every day, and take oral painkillers such as ibuprofen, fen-phen, etc. if you are in pain. If the bacterial infection is complicated, you have to use antibiotic ointment to apply. The main treatment is acyclovir oral, 5 times a day, small bubble application of acyclovir ointment, 2 times a day. The usual course of treatment will be cured in 7-10 days. But this disease is very easy to recur, later found again must be used as soon as possible, as soon as possible to treat.