NOVELTY - 3-Aminopropyl triethoxysilane (I), modified silica microsphere (II) and anhydrous toluene are reacted, cooled, and washed, to obtain silicon-containing compound (III). To the product modified trimethylchlorosilane (IV) and anhydrous toluene are added, and reacted, to obtain silicon-containing compound (V). To the product 4,4'-diphenylmethane diisocyanate and dry toluene are added, nitrogen is passed, stirred, ( beta )-cyclodextrin (VII) and anhydrous toluene are added, nitrogen is passed, stirred, cooled, washed, and purified, to obtain ( beta )-cyclodextrin chiral stationary phase (VIII).    USE - Preparation of ( beta )-cyclodextrin chiral stationary phase for separating chiral drug containing benzene intermediate compound and pyrethroid pesticide.    ADVANTAGE - The ( beta )-cyclodextrin chiral stationary phase having high purity is prepared by simple method without introducing sodium hydroxide, sodium azide ad catalyst containing copper(II) iodide and triphenylphosphine.    DETAILED DESCRIPTION - 3-Aminopropyl triethoxysilane of formula (I), modified silica microsphere of formula (II) and anhydrous toluene are added into reactor, water is added with water separator for 0.5-l hour, stirred at 90-100 degrees C for 4-6 hours, cooled to room temperature, and washed using anhydrous toluene for 4-6 times, to obtain silicon-containing compound of formula (III). To the resulted product modified trimethylchlorosilane of formula: CH3-Si(-CH3)(CH3)-Cl (IV) and anhydrous toluene solution are added, stirred at 50-60 degrees C for 4-6 hours, cooled to room temperature, and washed with anhydrous toluene for 4-6 times, to obtain silicon-containing compound of formula (V). To the resulted product 4,4'-diphenylmethane diisocyanate is added, dry toluene is added, nitrogen is passed, stirred at 80-90 degrees C for 4-6 hours, cooled to room temperature, and washed using dry toluene for 4-6 times, to obtain 1-benzyl-4-isocyanatobenzene-containing compound of formula (VI). To the resulted product ( beta )-cyclodextrin of formula (VII) is added, anhydrous toluene solvent is added, nitrogen is passed, stirred at 80-90 degrees C for 6-8 hours, cooled to room temperature, and washed using anhydrous toluene for 1-2 times, using acetone for 1-2 times and using ethanol for 2 or 3 times, to obtain ( beta )-cyclodextrin chiral stationary phase of formula (VIII). The obtained product is purified in Soxhlet extractor, heated to reflux with pyridine extract for 4-6 hours, and dried at 50-60 degrees C for 1-2 hours, to obtain underivatized ( beta )-cyclodextrin chiral stationary phase. The volume mass ratio of 3-aminopropyl triethoxysilane and silica microsphere is 0.5-l mL/g with respect to solution containing 3-aminopropyl triethoxysilane. The volume mass ratio of trimethylchlorosilane and silica microsphere is 0.4-0.6 mL/g with respect to trimethylchlorosilane. The molar ratio of silicon-containing compound (V) and 4,4'-diphenylmethane diisocyanate is 1:1 with respect to theoretical mass of 4,4'-diphenylmethane isocyanate. The molar ratio of 1-benzyl-4-isocyanatobenzene-containing compound and ( beta )-cyclodextrin is 1:1.