After the outbreak of the epidemic, most physical fitness industries have become places for people to keep away from due to environmental problems such as dense personnel and poor ventilation, such as traditional gyms of 24 Hour Fitness, Gold's Gym in United States. It was also forced to file for bankruptcy and became a victim of the epidemic. However, at the same time, people discovered that staying at home and exercising at home not only saves money and convenience, but also saves the transportation time to the gym, which unexpectedly spawned a wave of home fitness, and together with the sales of fitness equipment online, such as Kettlebells and dumbbells were all sold out of stock, and "Home Workout" instantly became a hot search keyword.