The present invention relates to a method for preparing a chiral 2-[1-cycloalkylethyl] phenol derivative, the preparation method comprises the catalytic hydrogenation of a compound of general formula (II) (as shown in the description) to prepare and obtain a compound of general formula (I) (as shown in the description), and the method has the advantages of short reaction route, inexpensive and available raw materials, being suitable for industrial production and the like. The structures of the compound of general formula (I) and the compound of general formula (II) are as shown below, with the definitions of R, R1 and n being consistent with the definitions in the description.