There are many causes of tumors on the neck, which are related to immune factors, genetic factors, diet, inflammation and other factors. The causes of different diseases are different, and the specific analysis is as follows: First, the more common clinical thyroid tumors, such as thyroid cancer, thyroid adenoma, nodular goiter, etc., are related to the patient’s emotion, gender, hormone level and ionizing radiation. Secondly, nasopharyngeal cancer is mainly related to EBV virus infection, besides, smoking, alcohol consumption and living environment also have some relationship. Thirdly, laryngeal cancer is related to bad living habits: smoking, alcohol consumption and bacterial and viral infections, etc. Fourthly, benign tumors, such as lipoma and hemangioma, can cause tumors to form on the neck under the stimulation of various tumor-causing factors. Fifthly, lymphoma is generally considered to be related to infection, immunity and physicochemical factors. Therefore, there are many causes of tumors on the neck, and specific analysis should be made for specific problems. It is recommended that patients must seek medical treatment in time to prevent delaying the disease.