The invention discloses a shaft seal water conveying device which comprises a clear water pool (1), a clear water pump (2), a shaft seal water conveying pipeline (3) for a sewage pump, a shaft seal water conveying pipeline (4) for an underflow pump and a water conveying pipeline (6) for an outside net. The clear water pool (1) is connected with the clear water pump (2), the clear water pump (2) is connected with the shaft seal water conveying pipeline (3) for the sewage pump, the shaft seal water conveying pipeline (4) for the underflow pump and the water conveying pipeline (6) for the outer net respectively through a first pipeline. The shaft seal water conveying device is at least simple in structure, and capable of lowering the operating cost of an enterprise.