"Light body" is a way of health management. Mainly by adjusting diet, exercise, etc. , to achieve the purpose of slimming. On Tik Tok, there are many videos and tutorials about light weight, including light food, fitness, yoga, dance and other forms. The core idea of light weight is to make the body reach a healthy and balanced state through scientific diet and exercise, so as to achieve the purpose of losing weight, slimming and improving physical fitness.