Online training videos for tour guides provide opportunities to learn professional knowledge and skills, which is very important for becoming a qualified tour guide. These videos usually include the background knowledge, history and culture of tourist destinations, introduction of scenic spots, tour guide skills and so on. By watching these videos, tour guides can understand the characteristics and important information of the destination and improve their professional quality and service level. In addition, online training videos can also help tour guides understand the latest tourism trends and industry norms to adapt to the changing market demand. Therefore, in order to improve the professional level and service quality of tour guides, it is very necessary to watch online training videos of tour guides.