There is no fixed number for the number of orders that Doudian needs to sell for 48 points. This is because it depends on many factors, such as product type, unit price, commission ratio, etc.

You can check the daily order sales and order volume based on the "Data Center" in the background of Doudian, and check the transaction rate and new customer ratio in the marketing center to estimate how many orders you need to sell.

If you want to increase the sales of Doudian, you can do the following:

1. Optimize product titles and descriptions: Describe the characteristics of the product clearly and concisely, and use popular keywords in the title and description to increase the chances of the product being searched.

2. Set the commission ratio: You can attract more influencers to bring goods by setting the commission ratio, and increase the exposure and sales of the product.

3. Participate in activities: You can participate in activities on the Douyin platform, such as the 618 promotion, Double 11 promotion, etc., to increase the exposure and sales of the product.

4. Optimize prices: You can attract more consumers to buy the product by reducing prices or offering discounts.

5. Improve service quality: You can improve service quality and increase the number of repeat customers by increasing delivery speed and providing high-quality customer service.