The statistics of the China natural gas industry prosperity index show that it reached 164.14 in the second quarter of 2020,indicating a prosperous state,and the prosperity index of natural gas production enterprises reached 187.56,also indicating a prosperous state.Natural gas sales companies'prosperity index reached 148.15,indicating a relatively prosperous state,and the prosperity trend index of the natural gas industry in the coming year is 256.29,indicating a very prosperous state.The details are shown in Fig.1 and Table 1.