The aim of study is to determine the effect of the resilience development program applied to schizophrenia patients on the resilience and functionality of the patients. Experimental research design with pretest posttest control group will be used in the study. 36 patients receiving service from a community mental health center will be included in the study (determined by "power analysis"). 18 people will be included in the experimental group and 18 people in the control group (Random appointment will be made by drawing lots). The data of the study will bu collected with "Personal Information Form", "Adult Resilience Scale", "Short Functionality Assessment Scale" and "Beck Cognitive Insight Scale - for Schizophrenic Patients". Consent will be obtained from the individuals participating in the study before the study. An "ethics commitee approval certificate" will also be obtained before starting the study. "Resilience Development Program" based on cognitive behavioral approach developed by the researcher will be applied to the experimental group. SPSS 28.0 program will be used in the analysis of the data. Mean, standard deviation, median, minimum and maximum values will be used in the descriptive statistics of the data. Mann whitney u test, chi-square test and wilcoxon test will be used in the analysis of quantitative independent data.