Potato juice does not cure cancer, it only provides cancer patients with the nutrients that are mainly contained in potato juice. Cancer, i.e. malignant tumors, is a great depletion of nutrients for the body. The main ingredient in potato juice is potato, which is a common food and does not belong to the category of medicinal food. In addition, potato juice can only provide the body with the main nutrients it contains, such as carbohydrates, energy, copper, potassium, etc., for cancer patients only nutritional value, without any therapeutic effect. Potato juice can not cure cancer, if diagnosed with cancer, it is recommended to go to a regular hospital as soon as possible to follow the doctor’s instructions to standardize the treatment, so as not to delay the condition.