credit card points rules of Bank of Communications:

For spending with Bank of Communications credit card, 1 point will be accumulated for every RMB 1 yuan spent and 7 points will be accumulated for every US dollar spent (points cannot be obtained for spending with certain types of transactions and certain merchant categories)

The validity period of points generated by spending with Bank of Communications credit cards (except those specified below) after January 31, 21 is fixed at 24 months, and the points will expire month by month, and the expiration date is. If the points earned by the cardholder from March 1 to March 31, 21 will expire on March 31, 212; By analogy, the points earned in April, May and June 21 will expire at the end of April, May and June 212. If the points are not used after the deadline, they will be cancelled. The expiration date of points in the last three months will be displayed on the cardholder's monthly bill.