Assign a number to every 1000 shares. For example, you use 10 yuan to buy 10 yuan's new shares. You can buy 10000 shares. The number of 65,438+00,000 shares allocated to you is 65,438+0000 shares.
Then draw lots, just like drawing lots. If you win several numbers, you can buy thousands of shares. One number can buy 1000 shares.