Small meatballs on the body may be caused by molluscum contagiosum, common warts, condyloma acuminatum, etc., and need to be further differential diagnosis by the doctor. 1. Molluscum Contagiosum: Mostly occurring in middle-aged and elderly people, it can be manifested as warts, filaments, polyp-like swellings. 2. common warts: when the skin is infected with the human papilloma virus, the surface of the skin can appear benign superfluous organisms, manifested as small grains of flesh. 3. Acute warts: the main manifestation of the external genitalia and perianal small particles, is a sexually transmitted disease. It is recommended to go to the hospital in time to see the cause of the disease, under the guidance of the doctor to standardize the treatment, so as not to delay the condition of the body to bring adverse effects.