There are many reasons for a bout of pain in the foot, the more common clinical trauma, infection, arthritis, fasciitis, neuropathic pain, etc., need to improve the examination to clarify the cause of the disease. 1. Trauma: there is a clear history of trauma, resulting in contusion, sprain, fracture of the soft tissue, tendons and ligaments in the affected area, etc. The pain caused by severe injury can be persistent, while mild injury can also be manifested as a bout of pain. 2. Infection: mostly seen in the foot affected area of soft tissue bacterial infection, the formation of abscesses and other serious infections, most of the pain is persistent, while the pain caused by mild infection can be a burst of pain. 3. Arthritis: there are many types of arthritis in the feet, the more common ones are gouty arthritis, rheumatoid arthritis, osteoarthritis, traumatic arthritis and so on, and some of the patients can show a bout of pain. 4. Fasciitis: mostly related to the foot fascia at the strain, trauma, etc., belongs to the aseptic inflammation of the fascia, the pain is obvious in the activity, can be relieved when resting. The pain is obvious during activities and can be relieved when resting. It is manifested as a burst of pain in the foot. 5. Neuropathic pain: for example, peripheral neuritis, peripheral nerve innervation area will appear painful sensation, some patients can also be manifested as a burst of pain. It is recommended that patients go to the hospital to improve the auxiliary examination, in order to clarify the cause of the disease.