Based on 4一bromo一aniline as raw materials, 1一hromo一4- iodohenzene was synthesized by diazotization reaction. Meanwhile, 1一naphthalene boronic acid was synthesized by Grinard reaction, us- ing 1一bromo-naphthalene as raw material Subsequently, they were used as materials to synthesize 4- (1一naphthyl) pherryl boronic acid by the Suzuki coupling reaction and n一Butyl lithium reaction suet， lively. The molecule structure and purity of products of every step were investigated by 1H NMR, GC and HPLC analysis. With a purity of 99.4% and the total yield of 20.5%，it shows that this process can he well applied to industrial production.