A small wart on the neck is a common wart, a benign growth on the skin caused by human papilloma virus infection. It is a benign skin condition caused by the human papillomavirus infection. It is contagious, and the patient as well as the healthy carriers are the source of infection, spreading through direct or indirect contact. 1. Direct contact: the skin of the neck is in contact with the patient, which will cause cross-infection, resulting in the appearance of common warts on the neck. 2. Indirect transmission: contact or use of the patient’s contaminated clothes, bed sheets, bedding and other household items, may also lead to cross-pollination, resulting in the growth of common warts on the neck. The human papilloma virus can enter the epithelial cells through small breaks in the skin and mucous membranes, and then replicate and proliferate, causing the cells to abnormally proliferate and differentiate to cause the skin to be redundant. The actual warts on the neck, it is recommended to go to the hospital, and follow the doctor’s instructions for treatment.