Hypoproteinemia is a series of symptoms caused by a decrease in protein in the blood, especially albumin. It is not a separate disease and often occurs along with other diseases, such as chronic glomerulonephritis and cirrhosis of the liver, which can cause hypoproteinemia. The main symptoms of hypoproteinemia are divided into the following areas: i. Swelling of both lower limbs or generalized swelling. Due to the decrease in plasma colloid osmotic pressure caused by hypoproteinemia, water moves outside the blood vessels, resulting in an increase in intertissue fluid and edema. II. Gastrointestinal symptoms such as poor nausea, nausea and vomiting. The above series of gastrointestinal symptoms occur due to the edema of the gastrointestinal mucosa caused by hypoproteinemia. Coughing, coughing, breath-holding, chest tightness and other symptoms. Coughing and coughing due to pulmonary edema caused by hypoproteinemia, and further increase the burden on the heart, and cause heart failure, which can lead to chest tightness and breath suffocation. Fourth, other symptoms, such as weakness, mental depression and other symptoms. The above symptoms occur due to poor nutritional status of the body caused by hypoproteinemia.