Disclosed is a compound, which is a compound of formula I or a stereoisomer, a geometric isomer, a tautomer, a nitrogen oxide, a hydrate, a solvate, a metabolite, a pharmaceutically acceptable salt or a prodrug thereof : X-Y-Z Formula I, wherein X represents the ligand of the FAK protein, Z represents the ligand of E3 ligase, and Y represents the linker linking X and Z.