The present invention discloses a kind of diazosulfide new compound structure and its application for promoting plant cell secondary metabolic product growth. Said invention selects and uses taxus chinensis cell as application system, and proceeds from structure of immunoactivating agent thiobiazole to design and synthesize new type plant cell inductive activating agent. The test results show that the capacity of said invented benzothiobiazole compound for promoting production of taxane is similar to or higher than that of existent methyl jasmonate.