Possible causes of neck lymphatic pain include inflammation, lymph node metastasis from malignant tumors, lymphatic malignant tumors and so on. 1. Inflammation: it may be caused by infection of some tissues in the neck, such as parotid gland infection or submandibular gland infection, which can cause lymph node enlargement and pain, or it may be caused by dental infection, such as inflammation of wisdom teeth can also cause lymph node enlargement and pain. 2. Lymph node metastasis of malignant tumors: it may be caused by lymph node metastasis of malignant tumors, such as thyroid cancer metastasis. 3. Lymphatic malignant tumor: a small number of patients are caused by malignant diseases of the blood system, such as lymphoma. There are many reasons for lymphatic pain in the neck, and you need to go to the hospital in time to avoid delaying your condition.