Introduction: Osteoporosis is a major public health problem globally. It is defined as a skeletal disorder characterized by low bone strength, leading to an increased risk of fragility fractures. Maximum bone loss occurs in women during perimenopause and menopause. As the prevalence of osteoporosis increases with age, it is estimated that up to 70% of women over the age 80 years have osteoporosis. Young Asian women are more susceptible to have bone mineral loss when compared to their western counterparts.Aim of this work: This study aims to evaluate the level of awareness in perimenopausal women using the Osteoporosis Health Belief Scale (OHBS). Attending Aswan University hospital. Methods: It is a cross-sectional study. The current study was conducted at Aswan university hospital. All women who visited our department of obstetrics and gynaecology outpatient clinic above 45 years irrespective of any symptoms are included. The resulting sample included 100 women. All patients gave verbal and informed consent to complete the OHBS questionnaire Results: In the present study, 100 patients were enrolled. The women belonged to the age group of 45-50 years. As regard educational level only 31% with high level of education, 67% of them came from rural areas, 76% of them were house wife and 24% were employed and according to source of information heard about osteoporosis 34% from media as regard level of education women with high level of education were more aware than others. Conclusions: Level of awareness among study group were varied significantly with residency. Urban were more aware about osteoporosis when compared to rural women also between housewife and employed. Employed were more aware about osteoporosis when compared to housewife also level of education was a very important rule. Women with high level of education were more aware than others.