The main reasons for the growth of small meatballs in the neck and armpits are warts, soft fibroids, sebaceous cysts, lipomas and so on. 1. Warts: the body’s immune function is low, caused by low-risk HPV virus infection, flat warts, filiform warts, etc., can be given physical therapy such as laser or microwave, etc.. 2. Molluscum Contagiosum: also known as skin flab, belonging to the benign superfluous organisms, patients often have no symptoms, can be observed, without special intervention, if the skin flab increases within a short period of time should go to the hospital and do the relevant examination, in order to clarify the cause of the disease. 3. Sebaceous cysts: the sebaceous gland ducts blocked sebum discharged due to obstruction, with the increase of cysts can be ulcerated, need to go to the hospital in time to find a specialist to deal with. Normally, you should clean your skin frequently and develop good hygiene habits. 4. Lipoma: it is a kind of common benign soft tissue tumor, the tumor body is small and elastic, with slow growth, often without discomfort. If the volume is large and affects daily life, surgery can be performed to remove it. Neck and armpit long small meat grain may have other reasons, should be timely to the regular hospital skin consultation, improve the relevant examination to clarify the cause of the disease, under the guidance of the doctor standardized treatment.