The appearance of a single small red spot on the glans can be seen in the foreskin glansitis, pearly penile papules, condyloma acuminatum and other diseases. 1. circumcision: can be seen in the foreskin is too long, personal hygiene treatment is not properly caused by infection, can appear on the surface of the glans red spots, edema, oozing and other phenomena. The main treatment is disinfection, you can use iodophor solution to smear the surface, you can also take cortisone and other drugs. 2. pearly penile papules: can be due to improper local hygiene or excessive stimulation and other reasons, its main performance is the red papules at the glans, easy to be misdiagnosed as warts and other diseases, the papules usually do not have a breakthrough pain manifestations, if there is no special manifestations usually do not need treatment, pay attention to local hygiene to reduce stimulation. 3. Acute warts: mainly in human papilloma virus infection, is a sexually transmitted diseases, the initial manifestation of the local red rash, and then can be changed into a cauliflower pattern change. The main treatment is medication, which can use dichloroacetic acid and other drugs. Or apply laser, freezing and other surgical methods of treatment. There may be other reasons for the red spots on the glans, so it is recommended to actively consult a professional physician for diagnosis and treatment under the guidance of a professional physician. The above drugs need to be used under the guidance of a professional physician, to avoid blind use of drugs, so as not to aggravate the condition.