There are various causes of foot pain, and the first thing to consider is that it may be caused by uncomfortable shoes, such as shoes with soles that are too soft, too hard or too small. When the sole is too hard, the impact on the heel is greater; when the sole is too soft, the support is not enough; when the shoe size is too small, the foot is squeezed, etc., which can cause pain, swelling and other uncomfortable symptoms in the foot. In addition, it may also be caused by the following situations: 1, overwork: walking too much, excessive foot sports, etc., may cause the foot muscles lactic acid accumulation, and then there are acid, pain, numbness, edema and other uncomfortable symptoms; 2, suffer from trauma: if the foot is squeezed, impact, hard object hit, bruises and other trauma, causing damage to the muscles, tendons and other tissues, patients can have pain in the affected area 3, flat feet: generally caused by the bones of the foot, muscle abnormalities and genetic factors. Patients may experience foot pain, swelling, abnormal gait and easy fatigue when standing for a long time or walking for a long time; 4. Clinically, there is often pain, swelling, deformity, limited activity and other manifestations in the affected area, and abnormal sensation may occur in serious cases. At this time, it is recommended to promptly seek medical attention to see if there is displacement, if necessary, the use of manual reset or surgery; 5, gout: is a common clinical joint disease, mostly in the toes. Patients have obvious swelling, pain, fever, redness and other typical symptoms of the foot, need to promptly go to the hospital to avoid late diagnosis and treatment, inducing gouty nephropathy, uric acid kidney stones and other serious complications; 6, lumbar disc herniation: intervertebral disc degeneration, lumbar injury and other triggers of lumbar disc herniation, may produce irritation or compression of the nerve root. Patients may experience symptoms such as lumbar pain, numbness in the limbs and discomfort in the thighs, and usually the pain may also radiate to the calves, back of the feet and other parts of the body; 7. Generally, when the feeling of foot pain occurs, it suggests that the bone spur may compress the surrounding nerves and tendons, etc. At this time, it is recommended to seek medical treatment. External painkillers and creams can be applied for initial relief; 8. Diabetic foot: If diabetic patients have poor blood sugar control, it may lead to impaired peripheral circulation in the distal limbs, causing the occurrence of diabetic foot. Patients may experience foot pain, deformity, ulcers, blackened skin and other symptoms.