The invention relates to the preparation and application of a B/L acid modified organosilicon sphere catalyst. According to the invention, a cyclohexane solution of cyclohexyl hydroperoxide is used asa raw material and a B/L acid-modified organosilicon sphere is used as a catalyst to achieve high-efficiency decomposition of cyclohexyl hydroperoxide under mild conditions, so cyclohexanol and cyclohexanone are produced. The catalyst has high selectivity to cyclohexanol and cyclohexanone, and can be recycled.