Still have genital organ to have 2 small packets, can itch, is this scabies

According to your description, it may be scabies caused by mite infection, or herpes caused by virus infection. You can go to the dermatology department of the hospital for examination first to confirm the diagnosis. If it is scabies, it can be treated by topical salicylic acid ointment, regular cleaning of the affected area, and frequent changing of clothes.