Tongue cancer is mainly staged according to the size of tumor and metastasis of cancer cells, and is usually divided into Stage I, Stage II, Stage III and Stage IV. 1. Stage I: the tumor is still small, the diameter has not exceeded 2CM, there is no lymph node metastasis or enlargement, etc. The prognosis is good through timely treatment. 2. Stage II: the diameter of the primary tumor may have reached 2CM, but usually does not exceed 4CM, without lymph node metastasis or spread, etc., the tumor can be removed by surgery. 3. Stage III: the diameter of the primary tumor has exceeded 4CM, usually without lymph node metastasis or distal metastasis, and radical surgery cannot be done at present. 4. Stage IV: the primary tumor has grown to 4CM, and the cancer cells have undergone distal metastasis or spread, the tumor cells will involve the surrounding tissues and organs, radiotherapy should be taken to inhibit the cancer cells. If you cannot judge by yourself, you should consult the doctor in time and under the doctor’s guidance for staging.