Adamantane tertiary alcohol derivative, the methyl group and hydroxyl group are substituted at the same carbon at the 2-position, with moderate steric hindrance and excellent reaction selectivity, the rigid cage adamantane ring structure brings excellent thermal stability, liposolubility and metabolic stability, the hydroxyl functional group has outstanding reactivity, prone to esterification, substitution and elimination reactions, stable chemical properties, and suitable for various organic synthesis systems.