It is legal. There are many videos on Douyin now. Live streaming has begun to promote and introduce various financial products such as stocks, futures, gold, funds, insurance, etc. This phenomenon is now very common. And because it is not illegal and complies with laws and regulations, using the popularity of Douyin to promote their own products, increase traffic, attract people to learn about products, and buy products to make money. This is the latest new method that is now circulating.