The invention provides a reclaimed water recycling intelligent integrated device capable of implementing zero sewage discharge and application thereof, belonging to the technical field of reclaimed water recycling devices. The device comprises a water inlet tank, an immersed ultrafiltration membrane set, a pump for membranes, a reverse osmosis membrane set, an automatic control system, a membrane maintenance system and a pure water tank, wherein the water inlet tank, immersed ultrafiltration membrane, pump for membranes, reverse osmosis membrane set, membrane maintenance system and pure water tank are controlled by the automatic control system. The device is suitable for recycling various types of wastewater which can or can not be discharged after reaching the standard after pretreatment, is an integrated set capable of direct road transportation and is provided with the full-automatic control system, and the physicochemical indexes of the treated effluent water reach pure water indexes for general industry, thereby guiding the enterprise not to discharge wastewater any more and implementing zero wastewater discharge in deed.