Filming Douyin can be considered a commercial activity because Douyin has become a form of advertising and branding. Many brands and companies use the popularity and number of users on the Douyin platform to promote their products and services. At the same time, Douyin also provides a way to earn income by becoming a Douyin influencer and working with brands to promote products. Therefore, although filming Douyin videos may be just a personal entertainment activity, it can be considered a commercial activity if it is based on a commercial purpose.