Saffron expired can not drink. After the expiration date of saffron, the active ingredients in it may be reduced, and the efficacy of the medicine will be greatly reduced, and in serious cases, mold will occur, which will adversely affect the human body after taking it. Saffron belongs to traditional Chinese medicine, with the efficacy of activating blood circulation and removing blood stasis (promoting blood circulation and eliminating blood stasis in the body), dispersing depression and opening up knots, and cooling the blood and detoxifying the toxin (referring to the treatment of blood-heat and toxicity). The main dysmenorrhea; menorrhagia; irregular menstruation; post-partum discharge; abdominal mass pain; fall and flutter injuries; melancholy plagued; palpitations; warm spots; measles and other diseases. Saffron adverse reactions, contraindications are not yet clear. Use should be noted that pregnant women should be cautious, allergy to this product is prohibited, allergies should be cautious of using this product. Before taking this medicine, you need to be guided by a doctor for identification, and you can not take the medicine by yourself, so as not to cause adverse consequences to the body.