Half an hour won't be very effective. Every day, about 1 ~ 2 hours, the slimming effect will be more obvious, but only if you dance seriously and sweat every time you dance, you are almost always dancing seriously. In fact, the best slimming effect is belly dancing, and the meat on the stomach and legs will be reduced. But it's a little difficult. Belly dancing depends on your dancing skills. I hope you can adopt it. Thank you.