By comparatively analyzing the distinctions and relations between the blockchain technology and the traditional software technology in composition，we can know that blockchain technology has its advantages. It can solve some problems of traditional software technology and provide the corresponding reference. But at the same time，some problems of blockchain in application can also find a solution in the traditional software technology. Knowledge in the field of application industry will become more complicated，which includes industry terminology and social environment，involving laws，compliance and responsible subjects，therefore the application of blockchain should be developed integratedly with traditional software.