There is no miracle effect of potatoes in curing cancer. Cancer has different types and conditions with different treatment methods, mainly adopting systematic surgical treatment, radiotherapy, chemotherapy, targeted drug therapy and so on. Cancer refers to malignant tumors, any kind of food has no role in treating malignant tumors. Once malignant tumors are diagnosed, it is necessary to choose the appropriate treatment plan according to the type of tumor, stage and the patient’s physical condition. If surgical treatment can be taken, radical surgical resection should be carried out as early as possible. After surgery, further radiotherapy and chemotherapy are generally needed to avoid recurrence and metastasis of the tumor. The condition of some patients is quite special, and they may enter into the middle or late stage, and have already undergone proliferation and metastasis, so they cannot take surgical treatment, and can be treated with radiotherapy, chemotherapy or targeted drug therapy. Cancer patients must go to the hospital in time to find out the cause of their cancer and their condition, and then cooperate with the doctor to take standardized treatment.