Alendronate tablets belong to bisphosphonates, which are mainly used for the treatment of postmenopausal osteoporosis, and can also be used for male osteoporosis patients. It can inhibit the process of bone breaking, maintain bone structure, improve bone mineralization, effectively increase the thickness of bone cortex and bone density, thus improve the strength of human bones, reduce and prevent osteoporosis, and effectively reduce the risk of fracture in patients with osteoporosis, especially the risk of fracture of thoracic and lumbar spine and hip joint. When using this drug, it needs to be fixed for one day when you wake up in the morning, and you should walk appropriately within half an hour after taking it and avoid lying in bed to reduce the occurrence of adverse reactions.