After the epidemic has entered the normalization stage, people’s demand for online shopping and transactions has gradually increased, crossborder e-commerce has also developed more rapidly, and wireless communication and Internet of Things technologies have also been further upgraded with the update of electronic equipment. Technology has increased the smoothness of communication between overseas and domestic, and the Internet of Things has provided technical support for crossborder e-commerce trade traceability, trade security, and supply chain management. However, at present, crossborder e-commerce still has imperfect logistics systems and passive transactions, low income, etc. In order to solve the existing problems, this paper takes Shenzhen as an example, through a combination of literature analysis and practical investigation, and on the basis of analyzing the existing problems of crossborder e-commerce, an innovative scheme of crossborder e-commerce combining wireless communication and Internet of Things technology is proposed. The test results of the innovative scheme show that, compared with the unimproved scheme, this scheme greatly improves the income of e-commerce enterprises.