Biological fading method of vulcanized black waste fabric

The invention discloses a biological fading method of a vulcanized black waste fabric. The vulcanized black waste fabric is mainly soaked by mixed solution of esterase, peroxide and soluble hydroxide,reaction is performed for 40-180 minutes, the vulcanized black waste fabric is cleaned, the cleaned vulcanized black waste fabric is soaked by strong oxide solution, and the vulcanized black waste fabric can be faded. According to the biological fading method, reagents harmful to environments are omitted, no sulfur-containing and chlorine-containing waste gas and acid are generated, the waste gasand acid cannot harm the body of an operator or pollute external environments, the used esterase has specificity, only reacts with thioester bonds in dyes and cannot affect other factors, the used esterase is biodegradable and can be absorbed and used by other organisms in nature after reaction, the soluble hydroxide performs neutral reaction with acid generated in the reaction process to productheat, reaction is greatly