If the foot is bruised and swollen, consider a history of trauma, sprains or bruises or other causes, and it is advisable to see a hospital for an X-ray to see if there is a fracture. If there is a fracture, see the location of the fracture and assess the need for surgery based on the film. If surgical treatment is needed, the swelling should be reduced with mannitol and Glattis before surgery. If there is no fracture, there may be soft tissue and capillary contusions, as well as local stasis of blood, resulting in bruising and swelling of the foot. In this case, you can take oral Chinese medicine to activate blood circulation and resolve blood stasis, such as Shu Shu Shu blood capsule, pulse blood Kang, etc., damage lotion of Chinese medicine foot soak, painkiller analgesic, external application of stasis cream to help reduce swelling and relieve pain. The usual diet should pay attention to eat more high-protein, high-calcium food, less spicy and stimulating things, pay more attention to rest, the affected limb needs to brake for a period of time to avoid further aggravation of the disease.