The old man neck long small meat grain may be filiform warts or molluscum contagiosum and so on, may also be suffering from basal cell carcinoma caused by. 1. Filiform warts: Filiform warts are benign organisms caused by human papilloma virus infection of the skin and mucous membranes, which is a kind of infectious disease, usually occurring in the eyelids, neck and other parts of the body, manifested as a single soft filamentous protrusion, the color is brownish-gray or leathery, and there are no obvious conscious symptoms. 2. Molluscum contagiosum: Molluscum contagiosum is usually more common in the neck and armpits, and the main manifestation is the appearance of needle to mung bean-sized filamentous protuberances locally, and the color is usually light brown or normal skin color. 3. Basal Cell Carcinoma: Older people may also have basal cell carcinoma when they have small meat grains on their necks, which is more common among older people and occurs in the head, face, neck and back of the hands, and is usually more prominent in the face. It is recommended to go to regular hospitals for timely consultation and standardized treatment by doctors to avoid delaying the condition if small meat grains grow on the neck of the elderly.