The causes of low fever due to bumps on the external genitalia include genital herpes, folliculitis, hard chancre, soft chancre, etc. Treatment includes medication and surgery. 1. genital herpes: if the symptoms of bumps and low fever are caused by herpes simplex virus infection, then antiviral treatment with famciclovir can be given, and aspirin antipyretic and analgesic treatment can be given if necessary. 2. Folliculitis: If bacterial infection triggers inflammation of the hair follicles, in which case pimples and fever may also appear, antibacterial treatment with drugs such as tinidazole may be given. 3. Chancre: If the bumps and fever are caused by a syphilis spirochete infection, then antibacterial treatment with drugs such as benzylpenicillin can be given. 4. Soft chancre: For the bumps and fever caused by Haemophilus ducreyi infection, antibacterial treatment with drugs such as azithromycin and ceftriaxone can be given at this time. Finally, the appearance of external genital growth pimples caused by low fever phenomenon please consult a doctor in time, the above drugs must follow the doctor’s prescription.