历来多数药物规定每日分早午晚三次服用 ,这是认为“药物不论何时服用效果都一样” ,把每日药量按等量分若干次服用 ,使体内经常保持一定浓度 ,这样不论何时都能取得同样的药效 ,这种观点实际上是错误的。人体多数生理功能都存在着以 2 4ｈ为周期的昼夜节律性变化 ,如正常人的 Historically, most drugs have been taken daily three times in the morning, night, and afternoon. This is considered as “taking the same effect whenever the drug is taken”, taking the daily dose in equal parts for several times and keeping the body constantly in a certain concentration. When you can get the same effect, this view is actually wrong. Most of the physiological functions of the human body there are circadian rhythms of 24 hours, such as normal