The foot is not swollen but it hurts inside may be caused by plantar fasciitis, degenerative changes, osteophytes and so on, which can be relieved by resting or taking medicines. 1. Plantar fasciitis: For example, people who often need to walk or run are prone to plantar fasciitis. Patients are advised to change a pair of comfortable soft shoes and pay attention to rest. At the same time, you can use diclofenac diethylamide cream, flurbiprofen gel paste and other topical medications to relieve pain. 2. Degenerative changes: the pain may be caused by degenerative changes in the joints or soft tissues of the feet, patients can use celecoxib capsule, lorsoprofen sodium tablets, chondroitin sulfate tablets and other drugs to improve the symptoms. 3. Osteoplasia: it may also be caused by osteophytes inside the foot pain but not swelling, patients can take diclofenac sodium extended-release tablets, ibuprofen tablets and other drugs to relieve pain. In addition to the above factors, do not rule out other causes, it is recommended to go to the hospital in a timely manner to check, please ask the doctor to clarify the cause, targeted treatment, the above drugs need to be used under the guidance of a doctor, avoid self-medication.