2. To achieve the effect of reducing fat, you must do aerobic exercise. When you use fat, you don't start from a certain part, but use it all over your body, so there is actually no action or equipment to help you lose a certain part. At most, you can increase the muscle content of that part and make the fat on the surface more compact. You can do some running for more than half an hour every day, jogging first and slowly speeding up.