Low albumin is a lack of total protein in the body, indicating that the body’s energy intake is insufficient, and the way to supplement protein are: 1, if you can normal diet, you can intake such as meat, eggs, milk food, to achieve the effect of protein supplementation; consumption of protein powder, while the need to supplement energy, that is, a normal diet, in addition to meat, eggs, should eat staple foods and other foods; 2, if you can not normal diet, first consider giving enteral nutrition preparations, if the intestine can not meet, you need to give parenteral nutrition such as simple infusion of amino acids or protein ineffective.