Ginger wipe the heart of the foot generally should not exceed 5-6 days, can 1 week rub 5-6 times. Chinese medicine believes that the foot is the second heart of the body, any organ of the body can find the corresponding points on the foot. Ginger can invigorate the blood and drive away the cold, so using ginger on the feet can promote blood circulation and metabolism, improve sleep quality, blood circulation, promote the discharge of dampness in the body, drive away the cold and keep warm, and also treat colds caused by wind and cold. During menstruation, women can also relieve menstrual cramps by rubbing their feet with ginger. As ginger contains spicy and aromatic ingredients, it is generally recommended to wipe for about 15 minutes, not too long, not more than 5-6 days a week. In addition, people with Yin deficiency and fire should not use ginger to paint their feet, which can aggravate the fire in the body, while patients suffering from cardiovascular disease and diabetes should not use ginger to wipe their feet.