The invention discloses a silk degumming/scouring agent and applications thereof, and concretely discloses a silk degumming/scouring agent strongly-alkaline electrolytic water, and new uses and new technologies of the silk degumming/scouring agent in processing processes comprising silk wadding quilt processing, cut bave or silk degumming, silk cotton, pure silk blank material refining and the like. Common tap water directly is directly electrolyzed through a water electrolyzing device or an electrolytic tank to form strongly-alkaline electrolytic water having a pH value of 11.0-12.0, and the strongly-alkaline electrolytic water can be used as a silk wadding sheet scouring agent, a cocoon shell or silk degumming agent, a silk cotton scouring agent, a pure silk or blank silk scouring agent, and the like. The silk degumming/scouring agent has the advantages of small damage to silk fibers, complete degumming, maintenance of the original resilience and other mechanical performances of the fibers, realization of direct low-cost high-efficiency recovery of sericin from a degum solution without desalination, and avoiding of the server environmental pollution of sericin-containing alkaline wastewater and the huge biological resource waste.