If the plaque in the neck appears in the arterial blood vessels, it is usually necessary to hang up the neurology department; if it is a subcutaneous nodule, it is necessary to consult the head and neck surgery department; if it is a localized skin plaque, it is necessary to consult the dermatology department. Most of the neck plaque refers to the carotid artery has plaque, this situation often suggests that the whole body large blood vessels have hardening, prone to cerebral infarction, cerebral hemorrhage and other diseases, generally recommended to consult the neurology department. If the neck plaque refers to a subcutaneous nodule, it may be a hyperplastic lymph node or lipoma, etc., so you can consult the head and neck surgery department. If there are localized skin plaques and rashes, it may be local skin infections, allergies, pigmented nevi, coffee spots, etc. It can also be seen in hemangiomas, and this situation requires consultation with a dermatologist.