Men’s vulva long red pimples, consider is suffering from glansitis, scabies, pearly penile papules and other diseases caused. 1. glansitis: staphylococcus aureus, streptococcus and other pathogenic infections may induce glansitis; secondly, if the foreskin is too long or the private parts are frequently traumatized, friction, also easy to induce glansitis, resulting in men’s vulva long red pimples, but also prone to accompanied by itching sensation. 2. Scabies: Scabies is caused by scabies mites parasitizing the genital area. If you have ever been in close contact with a scabies patient or used the goods of a scabies patient, it may cause infection, so that the genital area suffers from scabies, the symptoms of red bumps on the vulva, may be accompanied by local itching. 3. Pearly penile papules: long foreskin, poor personal hygiene and other reasons may induce pearly penile papules, resulting in patients with white, light red papules around the penis. Most patients do not have obvious self-conscious symptoms, some patients will appear in the private part of the slight redness and swelling symptoms. If the male vulva long red pimples, it is recommended that the patient to the regular hospital, under the guidance of the doctor to carry out relevant examinations, to clarify the cause of the disease, relevant treatment.