Hot and painful neck skin may be caused by herpes zoster, contact dermatitis, solar dermatitis and other diseases. 1. Herpes zoster: this disease is related to varicella zoster virus, when the virus is activated again will cause herpes zoster, with the recent mental stress, overwork and other factors. Lesions often occur in the neck, chest, abdomen and other places, local will appear in clusters of levels, and accompanied by obvious pain, burning sensation, can be manifested as a hot pain in the neck skin. 2. Contact dermatitis: this disease is caused by skin contact with exogenous substances that stimulate the skin caused by allergic reactions, such as necklaces, scarves, collar material, etc., the lesions will appear erythema, edema, papules, the patient is conscious of the itching, swelling, pain, burning, so the patient will appear in the performance of the neck skin hot and hot pain. 3. Solar dermatitis: the occurrence of this disease is related to prolonged exposure to ultraviolet radiation, sun exposure will appear bright red erythema, accompanied by a burning sensation and tingling sensation, so the neck skin hot pain may be caused by solar dermatitis. It is recommended that patients with neck skin hot and painful go to the hospital in time to improve the relevant examination to clarify the specific causes of the disease.