But the weight loss effect of singing is very small, and it is impossible to lose weight by singing alone. Moreover, many singers who learn bel canto are really fatter than each other when they take part in the competition, and singing can't achieve the effect of losing weight.
Seeing that young pop singers are thinner is because they pay more attention to their appearance, their face value and the feelings they bring to the audience. They must increase their fans by improving their visual experience, so they will go to fitness training, so their appearance will be thinner.
And Han Hong may not do private training at ordinary times, his figure has always been like this. It may be due to heredity or physical quality, so we can't generalize that singing can lose weight.
If you want to lose weight, you must control your diet and exercise to achieve the desired effect. Diet control doesn't mean you can't eat. Be sure to eat breakfast, so as to ensure that the energy of the day is full. Studies have proved that if you don't eat breakfast, it may lead to obesity.
In sports, you should choose the actions you are interested in, and search some suitable actions from the Internet for long-term training. Losing weight can never be achieved in a day or two, but requires strong willpower.
I have a friend who is relatively fat, but he has lost more than ten kilograms after three months of running and weight loss training, so as long as you can persist, you will definitely lose weight.