Background: Creating a healthy environment among the nurses is counseling. Counseling helps the nurses to overcome their problems through discovering their strength and weakness points. Aim of the study: To determine the effect of educational program on head nurses' counseling knowledge and skills. Subjects and Method: Design: The study used a quasi-experimental design. Setting: Hospitals at Tanta University, including the main hospital, medical hospital, and pediatric hospital. The study subject: included all (49) head nurses and a stratified random sample (302) of nurses when the data was being collected. Tools: Three instruments were created to gather information; Head Nurses' Counseling Knowledge Structured Questionnaire, Head Nurses' Counseling Skills Observational Checklist and Perception about Counseling Structured Questionnaire for head nurses and nurses. Results: Preprogram, none had high level of head nurses about counseling knowledge, and majority had unsatisfactory level of counseling skills and low perception level, these results changed immediately and three months after program to be majority of them had high level of knowledge and to low percent of them had unsatisfactory level of counseling skills and none of them had low perception level. Conclusion: counseling educational program improved the head nurses' and nurses' knowledge; skills immediately post, and three months post the program. Recommendation: Attend in-service and refreshing training for head nurses to increase their knowledge and skills about counseling