The group buying and experience functions on Douyin are designed to allow users to more conveniently obtain product information and service experience while watching short videos. Specifically:

1. Group buying function: Douyin has cooperated with major e-commerce platforms to launch the "Douyin group buying" function. When watching short videos, users can find group buying information of products, and click on the group buying link to jump directly to the purchase page to enjoy preferential prices. This can help users obtain high-quality products in a short time, and also provide merchants with more promotion opportunities.

2. Experience function: The "experience" function on Douyin is designed to allow users to more conveniently obtain information on various practical skills, common sense of life, hobbies and interests. On the experience page, users can view published experience articles, including food, travel, life and other fields, enriching users' knowledge reserves and life fun.

In short, Douyin's group buying and experience functions are designed to satisfy users while watching short videos, so as to obtain more practical information and discounts, thereby improving user experience and interactivity.