The right dorsum of the foot sometimes pops up and hurts, which may be caused by local trauma, acute attack of gout, lumbar disc herniation, etc., and you should consult a doctor in time to find out the cause of the disease. 1. Local trauma: such as foot sprain, being smashed, can lead to soft tissue injury or even fracture of the back of the right foot, thus causing pain, swelling and activity limitation of the back of the right foot. 2. Acute attack of gout: it can lead to acute redness, swelling and pain on the back of the right foot, accompanied by activity limitation, serum uric acid will be significantly elevated, and the patient has a clear history of gout. 3. Lumbar disc herniation: Lumbar disc herniation compressing the nerves can also cause right dorsum of foot pain symptoms, accompanied by lumbar spine pain, lumbar spine activity limitation. The back of the right foot sometimes pops up and hurts, and may be caused by other factors, it is recommended to consult a doctor in a timely manner to clarify the cause of the disease and give targeted treatment.