The “Ridong” festival falls on November 7 or 8 every year and is the 19th of the 24 solar terms. On the day of the first winter, every family celebrates it. The Lidong festival has the meaning of autumn harvest and winter storage. In the past, our country was a farming society, and people who labored for a year took advantage of the Lidong festival to take a rest, and rewarded the family for their hard work throughout the year. There is a proverb “winter fill winter, fill mouth empty” is the best analogy. In the south of China, winter people love to eat some chicken, duck, fish and meat. In the north of China, especially Beijing, Tianjin, winter preferred diet that is not dumplings. In Taiwan, on the day of winter, the streets of the ‘mutton stove’, ‘ginger duck’ and other winter tonic restaurant full of people. Many families also stew sesame oil chicken and chicken with four substances to replenish energy. In addition, the winter tonic winter, not blindly “tonic” Dietary regimen to follow the “autumn and winter yin”, “not disturbed by the Yang”, “the deficiency of the tonic, the cold warm! The old adage, with the four seasons of climate change and adjust the diet. Eat less cold, but also should not be hot, targeted consumption of some nourishing Yin submarine Yang, higher calorie diet is appropriate, but also to eat more fresh vegetables to avoid vitamin deficiencies, such as: beef and mutton, chicken, crucian carp, drink more soymilk, milk, eat more radish, greens, bean curd, fungus, and so on. Here it should be noted that our country is a vast area, the geographic environment is different, people’s lifestyles are different, the same winter, the Northwest and Southeast Coastal climate conditions are very different. Cordyceps steamed duck: Ingredients: Cordyceps 5, the old male duck 1, yellow wine, ginger, white onion, salt each moderate. Practice: the old duck hair, viscera, rinse clean, put into the pot of water boiling to the water froth out, the duck head along the neck split, into the Cordyceps, tied with a line, put into a large bowl, add wine, ginger, green onion white, salt, water, and then put the bowl into the pot, steamed about 2 hours duck can be cooked. Efficacy: replenish deficiency and benefit essence, nourish yin and help yang. This formula is based on Cordyceps, help kidney Yang, benefit essence and blood; to the old duck as a supplement, nourishing yin and replenish the deficiency. The formula of a bias in the complementary Yang, a bias in the complementary Yin, the two together, a total of complementary deficiency and benefit the essence, nourishing Yin to help Yang of the authority of the meal.