Negative health effects of aromatase inhibitors (AI) treatments on bones such as osteoporosis are evidenced. This impact of the aromatase inhibitors on bone.This study aimed to improve the medical assistance given to patients under AI treatment to minimize secondary osteoporosis.Fifty Libyan postmenopausal women treated with AIto fight breast cancer were selected fromattendants Tripoli Medical Center (TMC), Oncology Department during year 2014. A closed questionnaire was requested from each women including data about age, age at AI therapy, and types of AI, age at bone densitometry measurement, onset and symptoms of osteoporosis,treatment of osteoporosis and measurement of vitamin Dand calcium supplement given. The study revealed a poor consideration given to apply the recommendation in cases suffering osteoporosis events.Ourresults suggest an active implementation of the guidelines concerning the high corporation levels that should be done between oncologist, specialist in osteoporosis, and patients to offer reliable diagnostic and post-therapyfollow up.