The elderly night foot pain if long walking caused by muscle strain, can be improved after rest; in addition, the main consideration of occlusive vasculitis, diabetic foot, neuralgia, gouty arthritis and other causes of the disease. 1. Occlusive vasculitis: its main manifestations are intermittent claudication, rest pain, night pain and phlebitis of calf and foot, localized redness and swelling. 2. Diabetic foot: generally have a history of diabetes mellitus, previous poor glycemic control, resulting in foot ulceration, foot tissue necrosis and other manifestations. 3. Neuralgia: various causes of neuralgia, such as lumbar nerve compression or foot nerve compression. 4. Gouty arthritis: accompanied by local redness, swelling, and elevated skin temperature, local pressure pain is more obvious, pain is usually in eating seafood and other high uric acid food, most patients with a significant increase in blood uric acid. The elderly night foot pain, but also pay attention to the presence of trauma or tumor lesions, etc., need to go to the hospital in time to diagnose, clarify the condition and targeted treatment.