New high-temperature niobium-tungsten alloy with its high temperature and high ratio of refractory properties, is mainly used in aviation, aerospace, marine and other military areas, such as: the space shuttle engines, missiles, the liquid bipropellant rocket engines. The high-temperature niobium-tungsten alloy matches the high-temperature anti-oxidation coating has high strength, high temperature anti-oxidation, anti-erosion and other characteristics of the material and is the high-temperature components can be used in 800~ 1800 degree high temperature oxygen environment.