M-bromoanisole is an intermediate for the synthesis of a new generation of powerful central non-narcotic analgesic tramadol hydrochloride, and can also be used as a raw material for the production of 4-arylpiperidine antipruritic, anti-tuberculosis reagent triarylmethane thiophene, avemopiline receptor antagonist, dichemicalbook hydroquinzoline Eg5 inhibitor, series alkoxytriarylphosphine ligand, organic laser dye p-terphenyl derivatives, 2-methoxyphenothiazine and fluorane heat-sensitive dyes, and can be used in the synthesis of other pharmaceuticals and dyes.