Nowadays the world nearly 200 million osteoporosis patients, it is not only with physiological postmenopausal women osteoporosis and senile osteoporosis, and may is closely related to life a little habits.These factors are quietly, not as we know, it is hidden in the life health killer.Investigate its reason, it is these factors we cause osteoporosis understanding does not reach the designated position, not realize that these factors can cause harm to our health and life.Therefore, this paper discusses the factors of osteoporosis caused, know all the factors that cause osteoporosis, build good behavior habits, delay or prevent osteoporosis, improve the quality of life.