Data has been regarded as the fifth factor of production, and data security is ranked a high priority by governments across the world. In China, data security-related legislation such as the "Data Security Law" and "Personal Information Protection Law" have been promulgated and have were put into effect in 2022. The number of data security projects also increased rapidly. The government, finance, telecommunications, energy, education, healthcare, and other industries have different regulatory requirements for data security and their strategies for data security are quite different.The biggest challenge facing data security is that data security technologies, products, solutions, and service capabilities are far behind regulatory and customer requirements. Some companies have made meaningful explorations in data security products and solutions, such as privacy enhanced computing, transparent encrypt/decrypt, zero trust in data security, etc.