Because there are many food videos that I usually pay attention to and like. Tik Tok has been recommending food, because there are many food videos that we usually pay attention to and like, so the system will recommend them according to our preferences. We can pay attention to the diversity of our favorite videos, so the recommended content will be diversified. Most of the videos we brush are food videos, and we can search other categories, such as dancing, singing, funny, exploring and so on. We will like what we are interested in after watching it, and then there will be other video content. If you press the phone screen for a long time, you will lose interest. If you are not interested in clicking, similar videos will not appear again.