Foot pain after standing for a while may be due to physiological reasons such as flat feet, or pathological reasons such as trauma, metatarsophalangeal fasciitis and ankle joint diseases. 1. Flat feet: part of the population due to the disappearance of the foot arch, the patient may appear foot pain after standing for a while, with the prolongation of standing time, the pain gradually aggravated. 2. Trauma: due to the external injury caused by foot fracture, fascia, muscle and other tissue damage, patients may appear foot pain after standing for a while. 3. Metatarsophalangeal fasciitis: commonly seen in people who stand for a long time or overload, chronic injury caused by aseptic inflammation of the foot, patients may experience symptoms of pain after standing for a while. 4. Ankle diseases: such as ankle arthritis, ankle tuberculosis, tumors and other diseases, can cause patients to experience symptoms of pain when standing for a while. There may be other reasons for the pain when standing for a while, it is recommended to go to the hospital in time, improve the examination to clarify the cause of the disease, and then give targeted treatment or treatment.