Easily-degradable rubber foam insole and preparation method thereof

The invention discloses an easily-degradable rubber foam insole and a preparation method thereof, and relates to the technical field of insole manufacturing. The easily-degradable rubber foam insole comprises the following preparation materials: 100 parts of natural rubber, 25 parts of a traditional Chinese herbal medicine, 25 parts of nanometer calcium carbonate, 20 parts of calcined kaolin, 25 parts of talcum powder, 25 parts of white oil, 5 parts of zinc oxide, 5 parts of stearic acid, 10 parts of a foaming agent, 10 parts of an auxiliary foaming agent, 1 part of paraffin, 5 parts of an anti-wear agent, 2.5 parts of a yellowing-resistance accelerator, 0.5 part of a quick-curing accelerator and 2 parts of sulfur. According to the easily-degradable rubber foam insole and the preparation method thereof provided by the invention, an insole manufactured by using the method provided by the invention has the following advantages: with the natural rubber as a base material, sponge hole rubber is obtained by foamin