Crocus sativus L., also known as saffron and crocus, is a perennial flower of the genus Crocus of Iridaceae and a common spice. Perennial herb. The bulb is oblate and spherical, with a diameter of about 3 cm and a yellowish brown membranous coating. Leaves basal, 9-15, linear, grayish green, margin retrorse There are 4-5 membranous sheath leaves at the base of the leaf cluster. The flower stems are very short and do not protrude from the ground 1-2 flowers, light blue, red purple or white, fragrant, style orange red, stigma slightly flat, top cuneate, shallow teeth, ovary narrow spindle. Capsule elliptic, about 3 cm long.The best storage method of saffron: shading, sealing and refrigeration. 1. Moistureproof The best way to prevent moisture is to seal it to isolate it from the air. Because once saffron is exposed to the air, it is easy to be affected by the moisture in the air and become damp and moldy, which will deteriorate saffron and seriously affect its use effect and shelf life. 3. Match with medlar: medlar has the effect of nourishing the liver and kidney, and it can clear the liver, reduce fire and recuperate the body. In addition, people who are allergic to lycium barbarum are not recommended to drink together to avoid discomfort. 2. Match with honey: Saffron can be drunk directly in water, but also with honey. It has the effects of beautifying the face, moistening the intestines and relieving constipation, and protecting the liver. Attention should be paid to drinking moderately to avoid discomfort caused by excessive drinking. After drinking, the filigree can also be eaten. It can help to treat irregular menstruation and relieve dysmenorrhea. To some extent, it is also conducive to lowering blood pressure and blood lipid, and plays an important role in preventing hypertension, hyperlipidemia, myocardial infarction and other diseases. Generally, saffron can be directly soaked in water, or it can be soaked in water with honey and wolfberry. 1. Direct soaking in water: Saffron is a kind of traditional Chinese medicine, which has the important effects of dredging the meridians, activating blood circulation and removing blood stasis, clearing heat and detoxification, and soothing the mind and nourishing the divine wind. Saffron can be directly soaked in water. When soaking in water, appropriate amount of filigree can be added.