A month of walking with a broken foot is still swollen, which may be related to the soft tissue damage, muscle damage, not the correct treatment and other reasons. 1. No proper treatment: After breaking your foot, you should go to the hospital for diagnosis and treatment, and determine the cause of the disease after taking the film. If it is simple trauma, you need to fix it for 2~3 weeks, and then carry out the functional exercise of joints; if it is fracture, you need to fix it for at least 6~8 weeks before you can carry out the relieving exercise. 2. Serious soft tissue contusion: ligament injury, resulting in reduced stability of the joints, if there is no active treatment will result in persistent pain and swelling, it is recommended to go to the hospital to improve the MRI to determine whether there is a ligament rupture, and if there is a ligament rupture, it is necessary to carry out ligament repair surgery. 3. Muscle injury: muscle injury can follow the doctor’s instructions to use some pain medication, such as ibuprofen capsules, etc., should avoid strenuous exercise, the use of ankle protection fixed. If the foot is still swollen after a month of walking, you need to go to the hospital immediately for diagnosis and treatment, to clarify the cause of the disease, and standardized treatment under the guidance of the doctor.