Objective:To study the rationality of weight ratio of Radix Angelicae Sinensis to Radix Astragali in DBT by determined the contents of effective constituents in the different ratio of DBT.

• 目的:通过研究当归、黄芪的比例变化对当归补血汤活性成分含量的影响探讨当归补血汤中当归、黄芪配伍比例的合理性。