The invention relates to a technological method for preparing m-aminophenol, belongs to the technical field of chemical material preparation and solves the technical problem of limit caused by utilizing phenyl acetate as a preparation raw material. The technological method disclosed by the invention has the advantages of simpleness in operation, high product yield, reaction easy to control and thelike. The technological method is characterized by comprising the steps: preparing 3-carboxyphenyl phenyl acetate after preparing m-cresyl acetate and utilizing the prepared 3-carboxyphenyl phenyl acetate to prepare the m-aminophenol. The technological method comprises the steps: a, taking a C9H8O4 solvent, adding into an ethyl acetate solution, fully stirring until complete dissolution, dropwiseadding thionyl chloride into a system under the ice water bath condition, thermally insulating 1+ / -0.5 hours, warming to 60 DEG C and refluxing; b, under the ice water bath condition, adding triethylamine and hydroxylamine hydrochloride into the system, thermally insulating for 2 hours and warming to a room temperature; c, spin drying the solvent on a rotary evaporator, then adding water and potassium carbonate, warming to 60 to 70 DEG C and hydrolyzing; d, utilizing ethyl acetate to extract the solution, utilizing a thin-layer chromatography to determine whether extraction is complete and obtaining the finished product of the m-aminophenol after the extraction is finished.