Small red dots on the glans may be caused by masturbation or excessive sexual intercourse, prepuce glans, allergies, pearly penile papules, etc. It is recommended to go to the hospital for further examination. 1. Excessive masturbation or sexual life: If there is excessive masturbation or frequent sexual life, it may lead to swelling of the tissue mucosa, forming the symptom of small red dots on the glans. 2. Circumcision and glansitis: If you don’t do a good job of personal cleansing, especially if you are circumcised or have a prepuce, it is very easy for infections such as circumcision and glansitis to occur due to the accumulation of foreskin scales, resulting in the appearance of small red dots. 3. Allergy, pearly penile papules: if it is due to drugs, condoms and other allergic factors caused by allergic rashes, as well as pearly penile papules, etc., may also be manifested in the glans as small red dots. There are many other reasons why there are small red dots on the glans, so it is recommended to go to the hospital for further examination, to clarify the cause of the disease, and active treatment.