If the hard lump is located in the lower part of the neck, it is usually necessary to see the general surgery department or the head and neck surgery department. If it is located in the upper position, you need to see stomatology, maxillofacial surgery or general surgery, etc., as follows: 1, hard lumps are located in the lower part of the neck, you generally need to see the general surgery or head and neck surgery, because it is often considered to be caused by thyroid disease, usually need to check the thyroid ultrasound, thyroid function, etc., and sometimes need to check the thyroid nuclear scanning, etc., and according to the results of the medication or surgical treatment; 2, hard lumps are located in the upper part of the neck, may be caused by submaxillary gland, parotid gland, lymph node enlargement, or the result of a hard lump. The hard lumps are located in the upper part of the neck, which may be caused by the enlargement of submaxillary gland, parotid gland and lymph nodes, and may need to see stomatology department, maxillofacial surgery department or general surgery department, and need to go to the hospital to improve the ultrasound and so on for clarification, and sometimes also need to see traditional Chinese medicine department for body conditioning. If the patient goes to the hospital at night or on holidays, he/she needs to see the emergency department. If patients do not know which department to go to, they can first go to the triage desk of the hospital for consultation.