Alendronate sodium is generally 3 months time for a course of treatment, the course of treatment is for the condition after the use of the drug after how long to what extent, and then decide the new treatment program, the length of the course of treatment is to be decided according to the clinical experience, alendronate sodium as one of the anti-osteoporosis drugs for a variety of men and women with osteoporosis, and the course of treatment is generally for 3 months. 1. For the treatment of osteoporosis in postmenopausal women: the recommended dose of alendronate sodium is 1 tablet per week, 1 tablet of 70mg once, 3 months as a course of treatment, about 12 boxes, its contraindications are esophageal stenosis, severe renal damage, osteochondrosis, etc., adverse reactions mainly include esophageal dyskinesia and allergic reactions. 2. For male osteoporosis to increase bone mass: alendronate sodium recommended dose is 1 tablet 70mg once a week, also 3 months for a course of treatment, about 12 boxes, its contraindications for esophageal stenosis, severe renal damage, osteochondrosis, etc., can be esophageal dyskinesia and allergic reactions and other adverse reactions. If any intolerable reaction such as severe urticaria, shock, confusion and gastrointestinal reaction occurs during the period of taking the drug, then according to their own actual situation, timely discontinue the drug in order to shorten the course of treatment, and it is generally not recommended to use the drug for a long time. The medication should be used under the guidance of a professional physician, and should not be used arbitrarily.