“The concept of "using formulas to test syndromes" originates from the theory of corresponding traditional Chinese medicine formulas and syndromes. Its core is to infer the syndrome attributes of the model by reverse inference of the pharmacological response after intervention with formulas. This article introduces its research progress in the field of traditional Chinese medicine syndrome models. The team has summarized two categories: deficiency syndrome and excess syndrome, providing a basis for the standardization of syndrome research and laying the foundation for promoting the standardization of traditional Chinese medicine syndrome models.”