Health promotion is defined as behavior motivated by the desire to increase well-being and actualize human health potential. Nursing student should learn how to achieve good health is the most important aspect of ones life. In addition, nursing students can be role models of healthy behaviors for their patients. This study was quasi - experimental research. The purpose this of study was to evaluate the effects of a health promotion program on health-promoting behaviors of McCormick nursing students. 32 nursing students of code 53 were assigned into an experimental group, by poor health-promoting behaviors scores test. The intervention program includes 5 activities 1) action meeting 2) social dance 3) nutrition board and game 4) tree talk together 5) laugh therapy. The data were collected using a health-promoting behaviors questionnaires [based on Pender’s health promotion model] that developed by researchers. The Reliability was .86 and .83, respectively. The data were analyzed using descriptive statistics and the hypotheses were tested usingt-test. The results revealed that the mean health-promoting behaviors scores after the intervention were significantly higher than those before the intervention (P < .05). Theresults provide evidence that the health promotion program is an effective intervention to promote the health-promoting behaviors of McCormick nursing students.This study provides evidence of the effectiveness of the health promotion program in improvement of health-promoting behaviors in nursing students that may provide support for the future health of the nursing profession