The “20 Rules for the Information and Communication Industry” proposes that Shanghai will deepen the construction of a double gigabit city to achieve 10,000 new 5G base stations in 2023, accounting for more than 60% of 5G network traffic, and maintaining the highest 5G base station density in the country; by the end of 2023, more than 2,000 all-optical commercial buildings will be built, more than 1,000 enterprises and institutions using all-optical networking, and 100% of new factories and renovation scenarios will use gigabit industrial optical networks; strive for the penetration rate of 5G applications in the city's education, medical and cultural tourism industries to exceed 30%, and the penetration rate of 5G applications in large industrial enterprises exceeds 30% 35%, helping the digital transformation of thousands of industries to create a mature industrial ecosystem for 5G integration applications.