It is generally best to consider applying plasters after 24 hours after a broken foot. Because many plasters have the effect of activating blood circulation and removing blood stasis, applying plasters too early may aggravate local bleeding and swelling. If the local swelling is obvious after a broken foot, you need to improve the local X-ray examination in time to understand whether there are fractures and other conditions. If it is only a simple soft tissue injury, rest for 2-3 weeks with local plasters can generally recover. If there is a fracture and other conditions, it needs to be fixed in time, and avoid premature weight-bearing, otherwise it may lead to fracture displacement, local ointment can be selected, such as flurbiprofen babu cream or bone pain paste, etc. treatment, swelling can be sprayed swelling pain aerosol. After 24 hours, you can soak in hot water, and then with ointment treatment, which has the effect of reducing swelling.