Heilongjiang native products Longjiang is rich in northeast native products, many of which have extremely high medicinal and nourishing functions. Visitors who have just arrived in Heilongjiang will choose some local products as gifts for their relatives and friends, whether it is ginseng, velvet antler in the northeast or tasting the famous freshwater fish in Heilongjiang. The specialty of black land has high development potential. Hericium erinaceus, a delicacy, is a kind of mushroom, which is known as "vegetarian meat" and "vegetarian meat". Hericium erinaceus is white when fresh and light brown after drying. The big one is bigger than the bowl, and the small one is thicker than the thumb. It grows on decayed trees and stumps of broad-leaved trees such as oak (Quercus mongolica) and Juglans mandshurica, and can also grow on injured parts of stumps. Every year after the rain in early autumn, Hericium erinaceus begins to grow, often in pairs, close to each other. Autumn is its peak season. Hericium erinaceus is a treasure in the mountains, and it is also called the four famous dishes of delicacies with bear's paw, sea cucumber and shark's fin. It is characterized by high nutritional value, delicious taste, easy cooking and convenient storage. It is not only a famous delicacy, but also a precious medicinal material. Hericium erinaceus is flat and sweet, which is helpful to digestion and the function of five internal organs. It can be used for adjuvant treatment of dyspepsia, gastric ulcer, duodenal ulcer, neurasthenia and other diseases, and has a good effect on the rehabilitation of patients with digestive tract malignant tumor. Famous products in Heilongjiang: Sanhuayu Sanhuayu is a famous freshwater fish in Heilongjiang Province, that is, bream flower, turtle flower and auspicious flower. Aohua, the scientific name of mandarin fish, is also called osmanthus fish. Its meat is tender, delicious and less prickly, and its weight can reach 10 kg. It is one of the four largest freshwater fish in China. Medulla oblongata, scientific name Changchun Medulla. This kind of fish has a long reputation since ancient times. This kind of fish is tender and rich in fat, accounting for about 8% of the body weight. Jihua, also known as Jihuagou. This kind of fish soup or steamed is a good medicine for women with insufficient milk to promote lactation. Sturgeon sturgeon, with crisp bones, is a famous product in Heilongjiang Province, weighing several hundred kilograms to one thousand kilograms, and is known as the king of freshwater fish. It was once a tribute to the emperor. This kind of fish is delicious, with crisp and fragrant bones and almost no waste. Stomach, lips, bones, swim bladder and seeds are all excellent raw materials for cooking famous dishes. Crystal white linden honey is crystal white, pure in color, fragrant in flavor and rich in nutrition. It contains more than 70% glucose and fruit acid, as well as vitamins, inorganic salts and organic acid enzymes. It contains biotin, which can promote human growth and vitality, and can improve health. It is not only a nutritious food, but also can nourish the stomach, relieve pain, detoxify, and treat and relieve many diseases such as hypertension, heart disease, constipation and insomnia. Nutritious hickory, also known as walnut, walnut and Juglans mandshurica, is the seed of Juglans mandshurica. Carya cathayensis is a kind of high-quality woody oil crop with rich nutrition and high value. Carya cathayensis contains protein, fat, sugar, calcium, phosphorus, iron, carotene and riboflavin, in addition, it also contains trace elements such as zinc, manganese, chromium and nicotinic acid. It can be used as the raw material of edible oil. Most of the oil is composed of linoleic acid glyceride, so it tastes fragrant but not greasy. It is also a tonic medicine, which has the functions of invigorating qi and nourishing blood, relieving cough and resolving phlegm, warming lung and moistening intestine, preventing and treating arteriosclerosis, tonifying kidney and strengthening body constitution, prolonging life, and preventing and treating low back pain, soft gums, impotence, nocturnal emission, frequent urination and stranguria. You can also extract industrial oil to make soap and rust inhibitor. Used as a high-grade auxiliary material for candy and cakes, canned walnuts and cakes made from it are sweet and crisp, which are deeply loved by people. Shells can be used to make decorative handicrafts for tables and stools, and are also good raw materials for doors and curtains. Hericium erinaceus is one of the famous edible and medicinal wild vegetables, commonly known as green cauliflower and laver. Hericium erinaceus contains a variety of nutrients, which are more nutritious than cultivated vegetables. Its taste is delicious and unique, and its medicinal value is similar to that of bracken. It is one of the famous edible and medicinal wild vegetables. Nutrient-rich day lily, alias day lily, day lily, day lily. Day lily is rich in nutrition, and its fresh products contain protein, fat, sugar, carotene, vitamins, calcium, phosphorus, iron and so on. It is a famous alkaline food. The medicinal value of day lily is also very high. It contains a variety of amino acids, pyrophyllite and other medicinal substances, and has the effects of eliminating dampness and promoting diuresis, cooling blood and removing heat, relieving cough and vexation, and opening chest and expanding diaphragm. Regular consumption can treat edema, dysuria, increased leucorrhea, jaundice, bloody stool, metrorrhagia, breast pain, great pain and other symptoms. Salmon with less thorns and thicker meat, the scientific name of salmon, was called Dafaha fish in ancient times, and its weight can reach more than 13 kg. The meat is reddish, thick and less prickly, and extremely rich in nutrition. Fresh food can be made into fish fillets, fish segments, fish balls, braised fish pieces and so on. It can also be cured and smoked with unique flavor. Precious Chinese medicine: Ginseng is a valuable Chinese medicine in Araliaceae. Physicians of all ages regarded it as a valuable tonic for nourishing and strengthening the heart, and was called "spiritual tonic". Long-term administration can tonify the five internal organs, tranquilize the mind, relieve convulsion, eliminate pathogenic factors, improve eyesight, delight in emotion and improve intelligence, and prolong life. Known as one of the "three treasures" in Northeast China.