The invention provides a non-excavation power pipeline comprising an outer pipe layer and an inner pipe layer. Reinforcing ribs are arranged on the outer surface of the outer pipe layer; and a pressure-resistant layer and a flame-retardant layer are arranged between the outer pipe layer and the inner pipe layer. The outer pipe flame-retardant polypropylene material layer and the reinforcing ribs are made of flame-retardant polypropylene materials; and the inner pipe layer is made of a high-strength polypropylene material. The flame-retardant polypropylene material contains the following raw materials, by weight: 45 to 55 parts of block copolymerization polypropylene powder, 25 to 40 parts of homo-polypropylene powder, 8 to 16 parts of fire retardants, 4 to 8 parts of talcum powder, 2 to 5parts of nano calcium carbonate, 0.2 to 0.6 parts of a coupling reagent, and 0.4 to 0.8 parts of antioxygen. The high-strength polypropylene material includes the following raw materials, by weight: 40 to 50 parts of block copolymerization polypropylene powder, 30 to 40 parts of homo-polypropylene powder, 10 to 22 parts of flexibilizers, 5 to 9 parts of talcum powder, 2 to 5 parts of nano calciumcarbonate, and 0.2 to 0.8 parts of coupling reagents. With the high-flame-retardant outer pipe layer, the high-strength inner pipe layer, the pressure-resistant layer and the flame-retardant layer, the bending modulus of the pipeline is over 1450MPa, the flame retardant level is V0, and the impact strength at the temperature of minus 20 DGC C is over 14KJ/m2. Therefore, the pipeline can be used reliably.