Abstract: Objective To analyze impact of diversity care on mental state of self-management ability of patients with gastric cancer.Methods A total of 85 patients with gastric cancer in our hospital were divided into two groups according to the random principle.The control group was taken routine care and the observation group accepted diversity nursing on the basis of traditional way.Psychological state,self-management skills,and satisfaction were observed and analyzed.Results The scores of depression,fear,and anxiety were significantly lower than the control group (P ＜ 0.05).Before nursing,no significant difference was seen in self-management ability in the observation group compared with the control group (P ＞ 0.05),while after treatment it was significantly higher than the control group (P ＜ 0.05).The satisfaction in the observation group was significantly higher than that in the control group,the difference was statistically significant (P ＜ 0.05).Conclusion Compared to traditional care measures,the diversity care can effectively improve emotions and quality of life of patients with gastric cancer,and enhance the patient's self-management skills,so it is worthy of widely clinical practice.