The best way is aerobic exercise.

Treadmill

Ride a bike

Mountain climbing, etc

If it has to be useful.

dance

Used at the end of conditional clauses

Let me give you a trick.

As long as you exercise

Your heart rate reaches 120 beats per minute or more.

Hold on for half an hour

You can lose weight by sticking to it every day.

If it is 10, you can hold it for 5 seconds.

One minute is 120.