Warming food: it can generate heat, warm the stomach, help yang, benefit qi, keep out cold and keep warm, and is suitable for those who are afraid of cold due to yang deficiency. However, those with excessive heat due to yin deficiency should not use it, otherwise it will aggravate internal heat and cause symptoms such as dry throat, bitter tongue, toothache, bloody stool and constipation. This kind of food includes flour, soybean oil, glutinous rice, vinegar, pepper, ginger, leek, longan, walnut, litchi, jujube, peach, dog meat, mutton, shrimp, carp and so on. For more health knowledge, please pay attention to "Health Management of Henan Baisui Garden".