The present invention relates to a phenol derivative and the preparationmethod anduse in medicine thereof, and particular to a phenol derivative represented bygeneralformula (A) or a stereoisomer, a solvate, a metabolite, a prodrug, apharmaceuticallyacceptable salt or a cocrystal thereof, a preparation method thereof, apharmaceuticalcomposition comprising the same, and use of the compound or composition of thepresent invention in the field of the central nervous system； wherein thedefinitions ofsubstituents in general formula (A) are the same as those in the Description.
