The glans is hard with red spots without pain, itchy and odor may be the foreskin glans as well as pearly papules, it is recommended to further examination, choose the appropriate erythromycin ointment and other treatments. 1. If further examination is bacterial glans, it is recommended to use saline to wash thoroughly and then use erythromycin ointment and other drugs to treat. 2. If it is fungal infection caused by the foreskin glans, it is recommended to 3% of the boric acid lotion local cleaning, external clotrimazole ointment and other treatments. 3. If the allergic glans penis is caused by contact with allergens, it is recommended to get rid of the allergens, and then apply hydrocortisone cream and other drugs, as well as oral loratadine and other anti-allergy drugs. 4. If the pearly pimples are caused by circumcision and so on, no special treatment is needed, if you insist on treatment, you can take laser therapy, cryotherapy and so on. Therefore, it is recommended to go to the hospital for further examination, choose the appropriate medication under the guidance of the doctor, and pay attention to the adverse reactions and contraindications of the drug.