Han Yanyan is also called "cold penis". According to textual research, Bianjing was popular in the Northern Song Dynasty, and every household "made jujube swallows with flour, strung them with wicker and inserted them on the lintel, which was called' Tuiziyan'." (Dream of Tokyo, Volume 7). These red dates and swallows strung together with wicker were dried by children and eaten. According to the cloud, they can cure aphtha, but they are mainly used to prepare dry food for the Cold Food Festival.

Qingming health food

1, shepherd's purse

In the spring around Tomb-Sweeping Day, people with hyperactivity of liver yang are particularly prone to headache and dizziness, and chronic tracheitis is also prone to attack in the spring, which is what Chinese medicine says, "all diseases of spring are at the head". After Tomb-Sweeping Day, shepherd's purse is one of the seasonal vegetables suitable for eating.

Shepherd's purse can lower blood pressure, strengthen stomach and promote digestion, dredge stomach and intestines, and treat stomach spasm, gastric ulcer, enteritis and other problems. In addition, shepherd's purse also has the functions of strengthening muscles and bones, improving eyesight, nourishing liver and moistening lung, and harmonizing middle energizer. Shepherd's purse has high nutritional value, and contains protein, carotene, calcium, iron, phosphorus and vitamins B 1, B2, C, etc. , help to enhance immune function, suitable for Tomb-Sweeping Day.

2.snails

Before and after Tomb-Sweeping Day, bloom was warm in spring, and the earth revived. Snails lurking and sleeping in the soil climbed out of the soil one after another. Snail meat is delicious at this time, which is a good season to eat snails. Snails can be eaten in many ways. They can be fried with onion, ginger, soy sauce, cooking wine and sugar. You can also cook, pick snail meat, mix, drink, rot and simmer.

Snail meat is plump, delicate and delicious, and it is known as the "pearl in the plate". Rich in protein eggs, vitamins, essential amino acids and trace elements, it is a typical natural animal health food with high protein, low fat and high calcium. Snails bought in the market should be kept for three days. Drop a few drops of sesame oil or vegetable oil in the basin to let the snail discharge the muddy dirt in the intestinal cavity. Change the water several times a day, brush it with a brush, twist off the tail, blanch it, heat it at high temperature, fry it and stew it thoroughly.

Step 3: shrimp

"Yellow croaker in March, shrimp in April, and bitter gourd stew in May." As for Qingming shrimp, there was a poem that said: "The east wind blows rain all night, and fish and shrimp grow in Jiangxinshui." Just the clear sight of spring rain and the mouth-watering growth of river fresh. Now, Qingming Shrimp is at the turn of the old and the new. There is plenty of rain, and the new shrimp has not "dispersed in spring". Fortunately, you can even see shrimp seeds in your stomach.

4. Toona sinensis

Toona sinensis generally germinates before Tomb-Sweeping Day, and the terminal buds can be picked before and after Grain Rain. This kind of first-time picking, called the first-time Toona sinensis bud, is not only tender but also full of fragrance.

Toona sinensis is a famous seasonal product, which contains volatile aromatic organic compounds such as toosendanin, which can strengthen the spleen and stimulate appetite. The volatile smell of Toona sinensis can penetrate the epidermis of Ascaris lumbricoides, so that Ascaris lumbricoides can not adhere to the intestinal wall and be excreted, which can be used to treat Ascariasis. Toona sinensis also contains vitamin E and sex hormones, which have the effects of anti-aging, strengthening yang and nourishing yin, so it has the reputation of "helping pregnancy". Toona sinensis has the effects of clearing away heat, promoting diuresis and detoxifying, and is a good medicine for adjuvant treatment of enteritis, dysentery and urinary system infection.