Better highlight the product effect. Underwear ads, a man, is shirtless mainly to better highlight the product effect and let consumers focus on underwear products. The factors that need to be considered when shooting underwear ads are: video size, display quality and clarity, because these factors will directly affect the final visual effect. Therefore, the definition of high definition and the video size and display quality most suitable for screen play are generally selected, which is also very important for the selection of shooting models.