Background: Foot self-care interventions have a role in the early prevention and detection of diabetic foot among the elderly which has become a challenge that continues to rise and worsen. Aim: Explore the effect of health education program on foot self-care behavior among elderly with type 2 diabetes at primary health care centers. Subjects and method: A quasi-experimental research design was utilized in this study with pre and post-tests. The current study was conducted at the five healthcare centers located in Port Said governorate, randomly selected and providing health care and follow-up for elderly patients with diabetes. A purposive sample of 71 elderly patients with type 2 diabetes. Tools: Three tools were employed for the collection of data, including Diabetic elderly patients' knowledge questionnaire about foot care and, Diabetic Foot self-care behavior scale (DFSCBS) to determine diabetic patients' foot self-care behaviors. Foot care outcome expectations (FCOE) to measure the elder's confidence level. Results: It was indicated that 97.2% of the studied diabetic elderly patients' had satisfactory knowledge scores post-program implementation, while,  the mean score of their foot self-care practice improved to 94.80 ± 4.71 post-program implementation as well as the mean score of diabetic elderly patients' foot care outcome expectation is increased to 94.84 ± 6.85post program implementation, with a highly statistically significant difference (p<0.001*). Conclusion: Health education programs have a positive significant impact on foot self-care behavior among type 2 diabetic elderly. Recommendation: Conduct periodic prevention guideline program and reduction sessions regarding the prevention of foot ulcers in diabetic elderly patients.