We should be familiar with ginger, which is not only one of the common condiments in our daily cooking, but also can be used as herbal medicine after concoction. Eating ginger can improve appetite, promote digestion, as well as anti-vomiting, blood circulation to drive away the cold, sterilization, help Yang, detoxification effect. But the ancient saying “three slices of ginger in the morning, more than drinking ginseng soup, eat ginger at night, equal to eating arsenic.” There is also a saying that “eat radish in winter and eat ginger in summer,” so it can be seen that ginger is not when you can eat. Eat ginger is best to eat in the morning, eat in the summer. Why is it good to eat ginger in the morning, but not at night? The reasons are as follows: First, people in the early morning, the gas in the stomach to be raised, ginger pungent and warm, containing active ingredients such as ginger, eat some ginger can strengthen the spleen and warm the stomach, for a day of food digestion and absorption “pavement”, and the volatile oil in ginger can accelerate blood circulation, excite the nerves, so that the whole body becomes warm. Second, at night, the body should be Yang Qi convergence, Yin Qi, so should eat more heat, down the gas and food, which is more conducive to night rest, and ginger contained in the gingerol will stimulate intestinal peristalsis, daytime can enhance the function of the spleen and stomach, the night may become a major problem affecting sleep and intestinal injury. Why ginger needs to eat in the summer and winter can not eat? The reasons are as follows: First, the weather is hotter in the summer, the external environment temperature is high, the body’s yang is very easy to emanate outward, the body’s Yang heat deficiency less, easy to produce cold and cold. Now people are used to stay in air-conditioned rooms, also love to drink cold drinks, cold baths, so easy to catch cold, but also easy to hurt the spleen and stomach. This time to eat some old ginger can disperse the cold and dispel the heat, appetite and diarrhea, so that people’s bodies more harmonious balance. Second, ginger in the spicy ginger has a certain stimulating effect on the heart and blood vessels, speed up blood circulation, get rid of the body’s cold, warm spleen and stomach; at the same time sweating increased, the body’s residual heat with sweat is taken away, playing a certain role in preventing heat. Third, autumn and winter dry climate, dryness hurts the lungs, plus then eat spicy ginger, more likely to harm the lungs, exacerbating the body’s loss of water, dryness.