Cancer patients can drink yogurt, but it needs to be in moderation. Yogurt is a kind of milk drink with sweet and sour flavor, which is rich in protein, vitamin B1, vitamin B2 and other nutrients, which can supplement the nutrients needed by the body for cancer patients, so cancer patients can drink yogurt. The diet of cancer patients should be as light, highly nutritious, easy to digest as well as rich in vitamins as possible, for example, they can eat more vegetables and fruits such as carrots and tomatoes. Try to avoid oily and spicy foods such as fried chicken and chili peppers. Cancer is a malignant tumor that originates from epithelial tissue and is a common type of malignant tumor. The causes of cancer are closely related to smoking, infection, environmental pollution, irrational diet and genetic factors. The main symptoms include localized lumps, pain, ulcers, bleeding and obstruction. If a patient is diagnosed with cancer, it is recommended that the patient should actively cooperate with the doctor for treatments such as surgery, chemistry and radiation. Daily diet should follow the doctor’s advice.