[Making repeated clinical trials aiming at finding specific indications is the way for improving clinical efficacy of traditional Chinese medicine].

The modern clinical evaluation methods and index system are the tools for clinical evaluation in traditional Chinese medical trial, and more importantly the prerequisite for approbation of their outcomes. From the view of syndrome differentiation theory of traditional Chinese medicine, the previous therapeutic process is also a diagnostic process for the following therapeutic course, so to make repeated clinical trials aiming at finding specific indications would be one of the important ways to improve the clinical efficacy of traditional Chinese medicine.