After the cast is removed, if the limb is still swollen, the following methods can be used to reduce the swelling: 1. Elevate the affected limb and do more functional exercises to promote the blood circulation of the limb and speed up the swelling. 2. The physiotherapy, such as fracture treatment instrument, medium-frequency pulse electric therapy, microwave therapy, etc., can promote local blood circulation and speed up the swelling. 4, you can use some herbal medicines to dispel wind and dampness, reduce swelling and pain, to boil water to soak feet or hands, which can promote the reduction of swelling.