1.UP bloggers generally refer to people who upload videos on video websites, which is short for "upload". Most of them are very popular in a TV station and Bili Bili.

2.Upmaster is the abbreviation of upload, which is a network term handed down from Japan. Refers to people who upload videos, audio or other resources on video websites and resource websites (i.e. contributors). They are often referred to (but not limited to) in domestic barrage video websites, and are also called "grandma's master" because of homophonic. Upmaster is the person who uploads the video, not necessarily the producer.