Most tumor patients are suitable for drinking protein powder. However, for patients with liver and kidney insufficiency, allergy to ingredients and severe gout, it is not suitable to drink protein powder. Protein powder as amino acid supplement food, mainly can provide essential nutrients for the human body, and malignant tumors belong to consumptive diseases, most patients are in malnutrition or even malignant disease, and the nutrients that the patients intake through diet is limited. For this situation can be appropriate to drink protein powder to supplement nutrients. However, if the patient has liver and kidney insufficiency, allergy to protein powder ingredients, severe gout and other conditions are not recommended to consume protein powder. In addition, some patients may suffer from bloating and diarrhea after consuming protein powder, in which case the amount of protein powder consumed should be reduced appropriately. It is recommended to consult a professional doctor before consuming, if there is any discomfort immediately stop consuming and consult a doctor as soon as possible.