Abstract: Macroroutine is applied to facilitate programming and maintenance in common, to transmit data in different data pace or process pace efficiently, and will profit the efficiency and quality of blind data review of clinical trials. This article introduces several commonly used SAS macro programs including macro programs checking the implementation of randomization, macro programs checking start and terminal time of each clinical trial centers, macro programs reporting missing data, and macro programs judging lab indices in normal range or not, so as to introduce how to use SAS macro programs to facilitate blind data review of clinical trials.

Key words: clinical trail, blind data review, SAS program