The most common reasons for the growth of flesh particles on the neck include filiform warts, skin flab, infectious mollusc and other diseases. 1. filiform warts: this disease is caused by human papillomavirus infection, the main source of infection for patients and virus carriers, the main mode of transmission, including direct or indirect contact transmission, is commonly found in the neck skin, manifested in the skin surface warts on the surface of the wart-like cumbersome organisms for a single, soft, slender filiform protuberance and other symptoms. 2. skin flab: this disease is also known as soft fibroma, the etiology and pathogenesis is unknown, may be related to obesity, hypertension and metabolic abnormalities and other factors, often occurring in the neck, chest and other skin, manifested as papules, filiform protuberances, polypoid protuberances, etc., the texture is soft. 3. Molluscum contagiosum: This disease is caused by molluscum contagiosum virus infection, infectious, children and skin delicate people, immunity groups and sexually active people are common susceptible people, manifested in the skin hemispherical, the center of the slightly concave or umbilical concavity of the pearly pimples and other symptoms. It is recommended that the patient according to their own situation, to the regular hospital dermatology consultation, follow the doctor’s instructions to clarify the diagnosis, reasonable treatment, to avoid delaying the condition.