"Xiaodoudian" refers to the e-commerce store on the Douyin platform. To stack products in Xiaodoudian, that is, to achieve product combination sales, you can follow the following steps:

1. Log in to the Douyin merchant platform: Log in to the Douyin merchant platform (Doudian backend) and enter the "Product Management" or "Product List" page.

2. Create a product combination: On the product management page, select "Create a product combination". You can give the product combination an attractive name, such as "Limited Time Offer Package", "Super Value Combination Pack", etc.

3. Add products: When creating a product combination, add the products to be stacked to the product combination according to your needs. You can select products manually or add them in batches by importing a product list.

4. Set the quantity and price of the product: Set the appropriate inventory quantity and sales price for each product. In the product combination, you can set the preferential price and original price to calculate the discount.

5. Set up preferential strategies: According to your marketing strategy, set up coupons, discounts and other preferential measures for the product combination to attract consumers to buy.

6. Publish the product combination: After the creation is completed, find the product combination you just created on the product list page and click the "Publish" button. At this time, your product combination will be displayed on the Douyin platform and consumers can purchase it.

7. Promotion: In order to improve the sales effect of the product combination, you can actively publicize and promote your product combination through Douyin live broadcast, short video, community marketing and other methods.

8. Data analysis and adjustment: During the sales process of the product combination, pay close attention to sales data and user feedback. According to the data and feedback, adjust the product combination, preferential strategies, etc. in time to improve the sales effect.

Through the above steps, you can realize the superposition sales of products in the Xiaodou store. At the same time, continuously optimize the product combination and marketing strategy to increase consumers' willingness to buy and increase store sales. I wish you a prosperous business!