Objective To conduct multidisciplinary collaborative nutrition management for peritoneal dialysis patients, so as to improve their nutritional status. Methods Totally 87 patients undergoing first catheterization for peritoneal dialysis were divided into two groups chronologically, the 42 patients admitting from January to May 2018 were taken as a control group, and the peritoneal dialysis nurses were responsible for their peritoneal dialysis treatment, nutrition management, transitional care, etc., and another 45 patients admitting from January to May 2019 were regarded as an intervention group, and a multidisciplinary nutrition management team was established to conduct multidisciplinary cooperative nutrition management for the patients. Results At 1 and 6 months after discharge, the hemoglobin, serum albumin, serum total iron binding force, BMI, upper arm muscle circumference and malnutrition inflammation score of the intervention group were significantly better than those of the control group, and the incidence of protein energy wasting were significantly lower than those of the control group (P<0.05, P<0.01). Conclusion Implementing multidisciplinary collaborative nutrition management for peritoneal dialysis patients, can effectively improve patients′ nutritional status, and strengthen the role of nurses in nutrition management.