In the era of “Internet +” big data, the theory and technology of English corpus are becoming more and more mature. Corpus is an important method to reflect some language characteristics and clarify some language phenomena. In terms of cultural exchanges, Chinese students majoring in English have obvious cultural differences at home and abroad and lack the atmosphere and context for cultural exchanges. In addition, students have problems such as insufficient cultural communication skills. The big data neural network model is adopted in this paper to compare and analyze the intermediary sentences in the corpus to explore the development trend of English proficiency. Through the analysis of typical cases, it explores the weak links in the corpus teaching process and summarizes a method focusing on the combination of use of corpus and English teaching.

At present, IPv4 is the core of the Internet. When it was designed, security protection was hardly considered. Therefore, the Internet has many security loopholes, which cause information leakage or even breakdown. Compared with IPv4, IPv6 has been improved in terms of security, but IPv6 packets are not encrypted and verified by default, and the problem of network layer being attacked is still unresolved. So, the Internet based ipv6 is still faces the risk of data being monitored and tampered, which cannot effectively prevent malicious attacks. China Decimal Network Standard working group developed the future network system, which adopts the zero-trust security mechanism of verification before communication. Big Data Platform in Tai’an of Health is responsible for the unified management of all medical and health institutions in the platform, and for the management, communication and maintenance of all data. Therefore, the establishment of the network security system of this platform should pay more attention to effective, scientific and comprehensive requirements. In this paper, the Future Network (IPV9) with independent intellectual property rights in China and its encryption technology are introduced, and the network security system of Big Data Platform in Tai'an of Health is designed, and the corresponding simulation test is carried out, which achieves the expected effect. The design of network security system of Big Data Platform in Tai'an of Health based on IPV9 can play a certain role and reference value in solving network security problems in Big Data Platform of Health.