Simply lose weight at home, so that you can lose weight easily. 1 Hula hoop: Hula hoop can slim the waist. 2 Hot bath: If you don't want to go on a diet, exercise or lose weight, you can take a hot bath. Soak the whole body in hot water with bath salt. (3) Leg stovepipe exercise: Lie on your back and kick in the air for 15 minutes each time, and do three groups. 4 Dumbbells: Dumbbells can have the effect of slimming arms, and you should choose which bent arm to lift.