Saffron can be soaked in wine, and has the functions of tonifying kidney and strengthening yang, protecting liver, preventing and treating cancer, assisting sleep and beauty beauty. But saffron soaked in wine should not be taken in excess. In addition, pregnant women, menstrual women, gastrointestinal ulcers, bleeding patients, hypertensive patients and other people should not take it. First, tonifying kidney and strengthening yang, saffron has the function of enriching blood and promoting blood circulation. The effective components in crocus sativus can increase renal vascular flow, maintain the patency of renal capillaries, and maintain renal function, thus achieving the effects of tonifying kidney and strengthening yang. Second, protect the liver crocetin can strengthen the secretion and excretion of bile in the body, promote the metabolism of fat and alcohol, and help to reduce the burden on the liver and maintain its normal function to a certain extent. Third, anti-cancer anti-cancer, crocin and crocin contained in saffron help to inhibit the activity of cancer cells such as blood cell carcinoma, papillary carcinoma and squamous cell carcinoma, and delay their development. Fourth, assist sleep, saffron can help improve sleep disorders such as difficulty in falling asleep and easy to wake up. Five, beauty, saffron has the function of cooling blood and detoxifying, enriching blood and promoting blood circulation, which can help regulate body endocrine, improve circulation, make human blood smooth, help remove spots and wrinkles, and so on. Sixth, improve immunity. Crocus sativus extract can increase the immune function of all cells in human body. Help cells resist the invasion of bacteria and viruses, strengthen the ability of cells to swallow foreign bodies around them, and thus increase the human body's defense and resistance to foreign evils.