Albumin, also known as clear protein, has a normal value of 38-48 g/L in the blood, and if it is below 30 g/L, it indicates low albumin. Low albumin is caused by many reasons and has certain harmful effects. A. Causes 1, insufficient synthesis: albumin is synthesized in the liver from amino acids, when the synthesis of raw materials for albumin is insufficient or liver lesions, the synthetic function of the liver decreases, the synthesis of albumin is insufficient, there will be low albumin phenomenon; 2, insufficient intake: the synthesis of raw materials for albumin and part of the albumin need to be supplemented by external intake, when the raw material intake is insufficient, can not synthesize enough albumin, also The phenomenon of low albumin will appear; 3, too much loss: when suffering from some gastrointestinal diseases or liver and kidney diseases, such as ulcerative colitis, intestinal fistula, nephrotic syndrome, cirrhosis ascites, etc., will cause too much albumin loss, the phenomenon of low albumin; 4, too much consumption: some patients with malignant tumors may consume a lot of albumin, thus appearing the symptoms of low albumin. Second, treatment methods 1, supplemental diet: for mild hypoproteinemia caused by various reasons, consume lean meat, eggs, soy products and other protein-rich foods, protein in the body will be broken down into amino acids, synthesize albumin; 2, intravenous infusion: for severe hypoproteinemia caused by various reasons, supplementation through diet is slow, need intravenous infusion of finished albumin, can quickly enhance the level of albumin in the body 3. Treatment of primary diseases: For some malignant diseases such as liver cancer, renal papillary carcinoma and other causes of low albumin, it is necessary not only to actively supplement albumin, but also to treat the primary disease by taking the corresponding anti-cancer drugs, applying chemotherapy drugs, or surgically removing the cancerous parts under the guidance of doctors to avoid the continued loss of supplemental albumin. Precautions 1. Prevent infection: low albumin can lead to low body immunity. Patients with low albumin should avoid going to crowded places, open windows and ventilate regularly, pay attention to personal hygiene to prevent infection by bacteria, viruses and other microorganisms; 2. Prevent skin breakage: low albumin is often accompanied by edema. It is recommended to wear soft clothes and avoid hard and sharp objects touching the skin to avoid skin damage.