As an emerging internet industry, cross-border e-commerce has developed rapidly with the support of the government, but its sustainable development is also faced with the challenges of low logistics and transportation level, inefficient payment methods, and uneven product quality. More and more hardware cross-border e-commerce giants are embracing blockchain and trying to solve the pain points of cross-border e-commerce industry with blockchain technology. Through the application of blockchain technology, we can realize the decentralized simple trading mode of hardware goods, the timely tracing of commodity production and other information, and the commodity transportation supervision platform, so as to reduce the risk index in the production and operation of cross-border e-commerce, and promote the healthy, stable and sustainable development of cross-border e-commerce.