Lymphatic metastasis of oral squamous cell carcinoma can be treated by selective area lymph node dissection, radiotherapy and chemotherapy. 1. Elective area lymph node dissection: several groups of lymph nodes with high metastasis in the neck can be removed according to the site of tumor primary lesion and common metastatic pathways, thus helping to alleviate the patient’s condition. 2. Radiotherapy: it can reduce the number of tumor cells and shrink the size of tumor to control the condition as much as possible. 3. Chemotherapy: for patients with lymphatic metastasis, chemotherapy is usually needed to carry out systematic treatment to kill cancer cells and control the condition to a certain extent. There are many methods to treat lymphatic metastasis of oral squamous cell carcinoma, patients are recommended to choose them according to doctors’ instruction and do good daily care.