Today, 28 years ago, on May 16, 1997 (April 10, 1997), the United States raised the credit rating of our country. On May 16, 1997, one of the most important financial credit assessment companies in the United States, Standard Pur, announced that China's creditor credit rating and priority repayment debt credit rating was raised from BBB to BBB. The assessment of China's economic development prospects from "better" to "stable". Standard Pur explained that it raised China's debt credit rating on the basis of: 1. the recent progress of China's reforms, especially in the reform of finance, finance and foreign trade. In the coming years, the prospects for further reforms are well seen; 2. China's long-term high savings rate, high investment rate, strong economic growth rate and foreign trade rate will continue. Inflation can also be controlled