There are many causes of foot pain in patients who stand for a long time, such as heel bone spur, fat pad inflammation, fasciitis, arthritis, bunion, the specific treatment is as follows: 1. Heel bone spur: Bone spur is a redundant organism of bone tissue, which oppresses and stimulates the fascia and soft tissues around the heel bone, resulting in prolonged standing foot pain. Treatment can be physiotherapy hot compresses and the use of diclofenac emulsion for external treatment. 2. Fat pad inflammation: when the fat pad of the foot has aseptic inflammation, it will produce the symptom of foot pain after standing. Oral non-steroidal anti-inflammatory drugs such as ibuprofen can be taken to relieve. 3. Fasciitis: Plantar fasciitis can cause congestion and edema after standing for a long time, resulting in foot pain after standing for a long time. It can be treated with physical therapy and hot compresses, and active rest. Generally, it will be relieved. 4. Arthritis: osteoarthritis and rheumatoid arthritis of the foot, because of the inflammation of the synovial tissue of the soles of the foot to appear aseptic inflammatory reaction, standing for a long time will appear foot pain symptoms. It can be treated with oral non-steroidal anti-inflammatory drugs such as Loxoprofen. Infrared physical therapy can be used as an adjunctive treatment. The pain can be relieved. 5. Bunion: Because of the deformity of the bunion, the balance of the muscles in the foot is broken, and after standing for a long time, there will be foot pain due to the extrusion and fatigue of the muscles in the foot. Treatment can be topical diclofenac diethylamide emulsion for relief. If this is not effective, surgery can be performed to correct the bunion deformity to relieve the symptoms of foot pain. If foot pain occurs after standing for a long period of time, and if it is not relieved for a long period of time, it is necessary to go to the hospital for a clear diagnosis and treatment.