ALB and diabetes mellitus: It was recommended to routinely screen patients' ALB levels, and clinical personnel can instruct patients to eat high-calorie and high-protein foods according to their daily dietary habits to ensure that they have sufficient and comprehensive nutritional needs, and if necessary, provide patients with nutritional support measures, such as intravenous albumin infusion, if the index was at a lower level or continues to decline; eight studies (15, 18, 24–29) have identified combined diabetes as a predictive factor.