1. Open the Marriott) app;;
2. Click the "Join" button for the first time, click the "Login" button for the existing member account, and enter the password to log in;
3. Enter the main interface and click the "Account" button at the bottom right;
4. Drop down on the "Account" page, find "Member Courtesy" and click to enter;
5. Click the "+"to the right of "Redeem Points" in "Member Courtesy", and you will see that you can use points to book accommodation in more than 7,000 hotels around the world, and you can enjoy the fifth night every time you redeem 40,000 points;
6. Points are based on standard rooms and vary according to the length of stay and the type or level of the hotel.