Symptoms: redness and swelling of the feet, onset, heat and pain in the heart of the feet, rest for a few days, or slightly relieved by cold, but once walking more recurrence Treatment plan: erythema limb pain is a rare clinical paroxysmal vasodilator disease. The main manifestation is erythema and burning pain of the extremities after repeated heat stimulation or exercise, partially relieved by cold, often involving the extremities of the limbs, with flushing and swelling of the affected skin, self-conscious burning pain or throbbing pain, with paroxysmal attacks. The main treatment in Chinese medicine is to detoxify and cool the blood.