NOVELTY - Producing fixed island-type microfiber synthetic leather with zero waste water discharge effect, comprises (i) constructing wastewater collection tank with alkali reduction, dyeing and collecting wastewater, constructing wastewater regulation pool, performing alkali reduction, dyeing and finishing; (ii) adding alkali reduction waste water or dyed waste water to wastewater regulation pool, and adding acid by reacting with stirring, and cleaning; (iii) performing solid-liquid separation process; (iv) performing evaporation concentration; and (v) performing multi-effect evaporation.    USE - The method is useful for producing fixed island-type microfiber synthetic leather with zero waste water discharge effect (claimed).    ADVANTAGE - The method solves the zero discharge of wastewater production process using bottlenecks, is environmental friendly, and produces high quality product.    DETAILED DESCRIPTION - Producing fixed island-type microfiber synthetic leather with zero waste water discharge effect, comprises (i) constructing a wastewater collection tank with alkali reduction, dyeing and collecting wastewater from wastewater collection tank, constructing a wastewater regulation pool, performing alkali reduction in the waste water placed in wastewater collection tank, and dyeing and finishing the wastewater collected in the wastewater collection tank; (ii) adding alkali reduction waste water or dyed waste water into the wastewater regulation pool, or adding alkali reduction wastewater into the wastewater regulation pool, and adding acid to regulating tank and neutralizing by reacting under stirring conditions, stopping the addition of acid once the pH of the wastewater reaches 6.5-7.5, and cleaning the floating solid matters in the waste water by transferring from wastewater regulation pool into a solid-liquid separation device; (iii) adding a flocculating agent, preferably 0.1-5 wt.% polyacrylamide and 0.5-5 wt.% polyaluminum chloride into the solid-liquid separation device provided with a rotary plate, performing air-floatation process, carrying out solid-liquid separation process, and maintaining the pH of the waste water to 6.5-7.5 while monitoring the effluent pH; (iv) performing evaporation concentration process of solid matter and solid-liquid separation product in a sludge concentrating tank, to obtain concentrated sludge, and simultaneously collecting distilled water by condensation process; and (v) performing multi-effect evaporation of the solid-liquid separated wastewater, and collecting distilled water by condensation process, and continuously processing the waste water in the sludge concentrating tank to obtain the product.