The invention relates to a wastewater recycling device, in particular to a recycling device for printing and dyeing wastewater after purification. The technical problem to be solved by the present invention is to provide a recycling device for printing and dyeing wastewater after purification, which can effectively improve the coagulation effect, quickly concentrate and separate the pollutants in the dyeing pool, and improve the quality of the effluent. In order to solve the above technical problems, the present invention provides such a recycling device for printing and dyeing wastewater after purification, which includes a cart, a bracket, a first motor, a pole, a filter box, a first filter screen, a first valve, a water pump, a solution Box, first water outlet pipe, first connecting rod, first slide rail, compression cylinder, piston, disc, rack, sector gear, nozzle, second water inlet hose and water storage tank, etc., from left to The right is provided with brackets successively. The invention achieves the effects of improving the coagulation effect, rapidly concentrating and separating the pollutants in the dyeing pool, and thus improving the quality of the effluent.