The body grew a small meat grain may be molluscum contagiosum, common warts, infectious mollusc and other diseases caused by. 1. Molluscum contagiosum: the cause of the disease is not clear, may be related to obesity, diabetes and other factors, the patient is mainly manifested in the skin surface of the high tibial organisms, most of the ball, filiform warts, leading to the patient appeared on the body of the small meat grain situation. 2. common warts: mainly due to human papilloma virus infection of the skin mucosa caused by wart-like growths. The patient’s initial manifestation of pimples, and then gradually grow to papillary proliferation, can occur in any part of the body. 3. Molluscum contagiosum: mainly due to the molluscum contagiosum virus infection of local skin caused by the disease, the patient is mainly manifested in the skin with hemispherical papules, which will appear on the body of the phenomenon of growing a small meat grain. There are many reasons for the growth of small meatballs, and it is recommended that the patient go to the hospital to clarify the cause of the disease.