Here presents the HDO m-Cresol in Microreactor using Hydrogen and Helium with GC Analysis. The microreactor is a small-scale reactor that uses advanced materials and technologies to achieve high-efficiency, high-yield, and high-quality production. The use of microreactors for the production of HDO m-Cresol can significantly improve the efficiency, quality, and economy of the production process. It is an important development direction in modern chemical industry.