The utility model discloses a multifunctional oil stop valve capable of preventing oil leakage of an oil outlet pipe. The multifunctional oil stop valve comprises a shaft sleeve type sealing gasket, asealing male head, a sealing female head, a fixing device and a locking device. The sealing male head is an annular sleeve; the sealing female head is a barrel-shaped sleeve with one end sealed, andtwo fixing columns are perpendicularly and symmetrically arranged on the outer side of the sealing female head in the axial direction. The locking device comprises a cylindrical rotating shaft, one end of the rotating shaft is rotationally connected to a center shaft of the sealing female head in a sleeving mode, and a concave hole is formed in the other end face of the rotating shaft. According to the utility model, the characteristics of the existing oil extraction valve are combined; sealed cover body, cover arranged outside oil extraction valve, meanwhile, the fixing column and the fastening belt are arranged on the sealing cover body, so that the pressure of the oil leakage opening is counteracted through the pulling force of the fastening belt on the device, the leakage position is conveniently sealed and fixed, operation is not affected by leakage of the oil taking valve, production safety is guaranteed, and temporary measures for preventing unnecessary power failure accidents are taken.