Daylily, also known as A Girl Without Sorrow, Hemerocallis, and Brain-nourishing Vegetables, originated in southern China and Japan. In recent years, it has been widely cultivated in Europe and America. Day lily is a famous ornamental flower, and it is also a famous good vegetable medicine. It has been cultivated in China for more than 2000 years. Its flower buds, that is, day lilies, have been a delicacy since ancient times. According to the analysis of the nutritional value of dried yellow flowers, every 100 grams contains protein 14. 1 g, fat 1. 1 g, 62.6 grams of carbohydrates, 463 milligrams of calcium, 0/73 milligrams of phosphorus/kloc-0, and various vitamins, especially carotene. It is very beneficial to human health, especially fetal development, so it can be used as essential food for pregnant women and parturients. Day lily has the functions of stopping bleeding, diminishing inflammation, diuresis, invigorating stomach and calming the nerves because it contains components such as wintergreen. Its flowers, stems, leaves and roots can be used as medicine. Stewed meat or chicken with its root-tip swollen body has a good effect on treating anemia and senile dizziness. Among the eight brain-nourishing foods listed by Japanese health care experts, day lily is the first one. He said: "Day lily is a good medicine to prevent the mental decline of the elderly." The nutrient-rich day lily is suitable for people 1, pregnant women, middle-aged and elderly people and overworked people, especially suitable for eating; 2, people with skin pruritus should not eat. Day lily contains more crude fiber, so patients with gastrointestinal diseases should eat it carefully. Practice and dosage of day lily 1, fresh day lily contains colchicine, which can cause symptoms of gastrointestinal poisoning, so it can't be eaten raw, so it must be processed and dried. Before eating, it should be blanched with boiling water, and then soaked in cold water for more than 2 hours. When eating, it should be heated thoroughly, and it is not advisable to eat too much each time. 2, day lily is suitable for cold salad (should be cooked first), stir-frying, simmering soup or making ingredients. 3, it is not appropriate to fry food alone, it should be accompanied by other ingredients. 4. In addition, it is better to use cold water.