RESULTS The project was quite successful, and we sold 38 bowls of tremella soup, with a total income of 380 RMB, which reached a profit of 660%. We began to set up our booth at 9:30. We started selling at 10:00. We got the first customer at 10:15 and received the first selling of 100 RMB. At this time, we have exceeded the breakeven point and gain 100% of the profit. All soup sold in an hour. The day we received a total of 330RMB by WeChat transfer of 16 orders and 5 orders with 50RMB in cash, the minimum per order amount was 10RMB, the maximum was 100 RMB, and average consumption was about 18MB. The largest consumption took place within 16 minutes after we starting sale, and the consumer bought the tremella soup for the 10 female students in his class, and showed his strongly support for our charity sale.