1. User scale and coverage: Tik Tok is a world-renowned short video platform with a huge user base and wide coverage. Tik Tok has a large number of users, covering users of all ages and interests, and can spread and promote products or services more widely. In contrast, public comment is mainly a consumption evaluation platform for catering and tourism, with relatively limited user groups.

2. Content form and communication effect: Tik Tok takes short video as the main content form, attracts users through vivid and interesting video content, and spreads the content to more potential users through algorithm recommendation function. This form can display products or services more visually and improve users' attention and participation. Public comments are mainly written comments, and the communication effect is relatively weak.