The invention discloses a tearing-resistant and impact-resistant power cable, comprising a conductor and a jacket layer coated at the outer side of the conductor, wherein the jacket layer comprises the following raw materials in parts by weight: 20-40 parts of low-phenyl silicone rubber, 45-85 parts of acrylonitrile-butadiene rubber, 10-20 parts of chlorosulfonated polyethylene, 0.3-0.7 part of antimony dioxide, 1.5-2.5 parts of 2,4-dichlorobenzoyl peroxide, 1.5-2.5 parts of poly-p-nitrosobenzene, 0.3-0.5 part of potassium ammonium dichromate, 1.5-2.5 parts of phenolic resin, 2-4 parts of C5 petroleum resin, 10-16 parts of superfine talc powder, 10-18 parts of lignin, 45-65 parts of sepiolite powder, 4-10 parts of halloysite, 10-20 parts of modified betaine, 2-4 parts of an antioxidant 1076, 0.4-0.8 part of dilauryl thiodipropionate, 2-4 parts of epoxidized soybean oil, and 0.5-1 part of zinc stearate.