Swollen feet can soak feet, and at this time soak feet can greatly promote the reduction of swelling, but in the process of soaking feet need to pay attention to the following matters: 1. If the swelling is new, for example, is caused by trauma, you need to take the cold water soak feet. The reason for the swelling at this time is mainly due to internal bleeding or the production of sterile inflammation, so the cold compress should be used as soon as possible to relieve the condition, at this time, if the hot compress is taken, it may lead to an increase in swelling. It is recommended that patients find a deeper bucket, ask for it to be filled with water, the liquid surface can not exceed the calf, fill it with cool water or add ice as appropriate, and then soak the feet for 10-20 minutes. 2. If the swelling is old or recurrent foot and calf, it is necessary to soak the feet with hot water. This is still recommended to find a deeper bucket, the liquid surface did not pass the calf, in the hot water soaking feet at the same time it is best to add Chinese medicine, such as can add mugwort or safflower and so on. 3, after the foot soak, it is recommended that patients use a pillow to sleep with the foot cushioned high, conducive to anti-inflammatory, swelling.