The reason why products sold out quickly on Douyin e-commerce is mainly because Douyin is a huge social platform with a large amount of user traffic and user stickiness.

Douyin e-commerce sellers will use Douyin's algorithm to accurately push and recommend their products to potential interested users, so that users can quickly learn about product information and form a desire to buy.

At the same time, Douyin e-commerce sellers will also use Douyin's short video function to create vivid and interesting product display videos to attract users' attention and increase users' willingness to buy.

In addition, the Douyin platform also provides convenient purchasing channels and fast logistics delivery, so that users can easily purchase their favorite products, so the products can be sold out quickly.