Nasopharyngeal cancer, thyroid cancer, oral cancer, parotid gland cancer, submandibular gland cancer and other cancers of head and neck are common. 1. Nasopharyngeal cancer: Nasopharyngeal cancer is a malignant tumor that occurs in the top and side wall of nasopharyngeal cavity, the cause of which is mainly related to EBV infection, and the causative factors include individual factors, environmental factors, dietary factors and hereditary factors. 2. Thyroid cancer: Thyroid cancer is a malignant tumor originated from the follicular epithelium of the thyroid gland, which is often manifested as painless neck lumps or nodules. The cause of the disease is not yet clear, and it is currently believed that it may be related to factors such as gene mutation and iodine intake. 3. Oral cancer: oral cancer is one of the most common malignant tumors in the head and neck, the cause of which has not been clearly defined and may be closely related to environmental and genetic factors. Besides the above mentioned cancers, there are also parotid adenocarcinoma and submandibular gland cancer in the head and neck. If there is any discomfort, it is recommended to consult the doctor in time and actively cooperate with the doctor to standardize the treatment, so as to avoid delaying the condition.