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Nuclear power which acts as one of low-carbon energy resources is the most realistic in large-scale application.It is also the preferred choice for many countries to develop energy resources and optimize its structure.Zirconium alloy is a key structural material for nuclear power plant fuel assemblies and cladding tubes of zirconium alloy are often referred as the first safeguard to nuclear power safety.With the development of nuclear power, three kinds of zirconium alloys Zr-Sn, Zr-Nb, Zr-Sn-Nb and with the representative products of Zr-4, M5, Zirlo respectively are developed and widely applied.Because of its severe operating environment and influence to nuclear safety, the requirements to zirconium alloys for physical and chemical properties, nuclear capability, tolerance and surface quality are very strict.The in-depth research and its manufacture capability become one of the main barriers for many countries who are developing the nuclear energy.