The application discloses ventilative organosilicon tent leather of double -deck water -fast pressure, ventilative organosilicon tent leather of double -deck water -fast pressure include the precoat, be located the inboard lining layer of precoat, pierce through a plurality of first hole of precoat and pierce through a plurality of second holes of lining layer, and wherein the precoat is including the decorative pattern silica gel top layer, first main part silica gel layer and the first basic unit that from top to bottom connect gradually, and lining layer is including the second main part silica gel layer and the second basic unit that from top to bottom connect gradually. The utility model provides a ventilative organosilicon tent leather of double -deck water -fast pressure passes through precoat and lining layer bilayer structure, and precoat and lining layer have multilayer structure respectively, strengthens off -the -shelf holding power, has safety ring guarantor, waterproof resistant dirt simultaneously, the gas permeability is good, the weatherability is good, long service life's characteristics, can adapt to various harsh service environment, and preparation simple process is fit for the industrial production.