Hypoproteinemia can be registered with a department such as gastroenterology, nephrology or oncology. Hypoproteinemia is often characterized by edema of the lower extremities or ascites. The causes of hypoproteinemia are malnutrition due to digestive disorders, dysfunction of protein production due to liver disease, and excessive protein excretion in the urine due to kidney disease. Hypoproteinemia can be caused by insufficient intake during chemotherapy in tumor patients due to increased consumption. Therefore, patients can choose departments according to their symptoms, such as patients seeking medical treatment for ascites or lower limb edema, they can choose to go to gastroenterology, and if the patient’s urine is typical foamy proteinuria, they can choose to go to nephrology. If hypoproteinemia caused by tumor treatment, you can hang oncology. With the above symptoms should be timely medical care, clear diagnosis, to avoid delays.