The main common causes of forefoot swelling in general are as follows. First, the formation of deep vein thrombosis of the lower limbs can cause obstruction of venous blood return in the lower limbs. A large amount of venous blood stagnation in the forefoot of the lower limb causes localized obvious swelling, at this time the patient will appear after the activity of weakness, soreness and other symptoms. Patients can be clear about the specific location of the thrombus through angiography, and the thrombus can be removed under interventional therapy or local thrombolysis with urokinase to promote the dissolution and absorption of the thrombus and restore the smoothness of the blood vessels, and the symptoms of forefoot swelling can be relieved on their own. Second, if the patient inadvertently caused forefoot sprain during physical exercise, can cause local soft tissue injury and swelling. At this time, the patient can be accompanied by obvious pain, can be given local ice packs for 24 hours, to reduce tissue exudation. 24 hours later, the local external application of hot omelette, to promote the faster absorption of swollen tissue.