Very tiny particles on the surface of the glans may be caused by pearly papules, genital eczema, condyloma acuminatum and other causes. 1. Pearly papules: pearly papules, also known as glans papules, is a skin disease characterized by pearly, translucent papules on the coronal edge of the penis and the coronal sulcus, most patients do not have obvious symptoms of their own, and a few patients will have white, yellow or red papules in the form of pearls, which can be accompanied by mild itching when there is inflammation. 2. Genital eczema: genital eczema occurs in the vulva, scrotum, penis and other parts of the body, mainly manifested as skin erythema, papules, blisters and other symptoms, the surface of the glans has very tiny particles may be caused by eczema. 3. Acute warts: Acute warts, also known as genital warts, usually caused by human papilloma virus infection, its main manifestation for the genitals around the pimples, keratinized plaques, papillary or cauliflower pattern superfluous organisms, etc., the glans surface has a very tiny particles may be caused by the acne warts. It is recommended that the patient timely medical examination, clear cause for targeted treatment, in life pay attention to personal hygiene, keep the genital area clean, dry, avoid unclean sex during the treatment, follow the doctor’s instructions regular review, and so on.