Most cancer patients can drink protein powder appropriately after chemotherapy. The diet of post-chemotherapy patients should be appropriately increased with foods rich in high-quality proteins, and protein powder can provide high-quality proteins and amino acids and other components essential to the human body. Appropriate to the post-chemotherapy patients drink protein powder, for the recovery of the body state after chemotherapy is good, especially with post-chemotherapy anorexia, loss of appetite and other conditions of patients. Patients need to note that protein powder should not be consumed on an empty stomach to avoid abdominal discomfort or bloating. It is best to eat some porridge or steamed bread, rolls and other staple food before eating protein powder. Protein powder can also be directly made into steamed buns, rolls, etc., so that the patient can better recover from the adverse effects of chemotherapy. Patients in the consumption of protein powder at the same time, but also with the consumption of fresh fruits and vegetables, to promote gastrointestinal peristalsis, to prevent patients from constipation.