Thyroid follicular neoplasm with undetermined malignant potential means that the type of thyroid follicular neoplasm cannot be determined and further examination is needed to clarify the type of the disease. Thyroid follicular tumors are mainly benign and malignant, generally through the examination can clarify the type of thyroid follicular tumors, undetermined potential means that thyroid follicular tumors can not be determined as benign or malignant, and need to carry out pathological puncture biopsy, further examination of the tumor tissues, to clarify the nature of the tumor, and take appropriate treatment. If follicular thyroid tumor is benign, it can be removed by surgery, if it is malignant, it needs surgery, iodine 131 treatment, chemotherapy (e.g. cisplatin, adriamycin, etc.) and other treatments to inhibit the growth of the cancer cells and avoid affecting the normal life. After the appearance of thyroid follicular tumor, it is recommended to consult the doctor in time and choose the appropriate treatment under the doctor’s guidance, so as to avoid affecting the normal life or endangering the life.