Objective: To study the effect of individualized nutrition therapy combined with low intensity continuous exercise on gestational diabetes mellitus (GDM) control and pregnancy outcome. Methods: A total of 72 GDM patients diagnosed and treated in our hospital from October 2022 to October 2023 were randomly divided into an observation group and a control group. Individualized nutritional therapy combined with low-intensity continuous exercise therapy and conventional therapy were given, respectively. The blood glucose level, biochemical indexes, depression score, anxiety score and pregnancy outcome of the patients were observed and compared. Results: After individualized nutrition therapy combined with low-intensity continuous exercise, compared with the control group, the levels of fasting blood glucose, 2h postprandional blood glucose, glycated protein, albumin, total cholesterol, and triacylglycerol of the patients in the observation group were significantly reduced, and the depression and anxiety of the patients in the observation group were significantly alleviated, and the pregnancy complications were significantly reduced. Conclusion: Individualized nutrition therapy combined with low-intensity continuous exercise can effectively control gestational diabetes and improve pregnancy outcomes.