Low protein content generally refers to low albumin. Physiological factors can be improved through diet, while pathological factors need to be treated according to the cause. 1. Physiological factors: long-term intake of protein or low intake of protein, the patient should adjust the diet, eat more high-protein foods, such as milk, eggs, fish and shrimp. In severe cases, human albumin injection should be injected under the guidance of the doctor. 2. Pathological factors Nephrotic syndrome can lead to low albumin, should further check the urine, under the guidance of the doctor using glucocorticoid therapy, commonly used is prednisone. Decrease in liver function, such as hepatitis, cirrhosis, hepatocellular carcinoma, etc., can lead to a decrease in albumin synthesized by liver cells, which should be treated with antiviral therapy, such as interferon, or surgery under the guidance of a doctor. Multiple myeloma can also lead to low albumin, which should be treated with chemical drugs such as dexamethasone and vincristine under doctor’s supervision. There are many reasons for low protein, so it is recommended that patients consult a doctor to identify the cause of the disease and take targeted treatment.