Danshen can be made into tea, but it is not recommended to make tea for a long time. Salvia miltiorrhiza has a bitter flavor, slightly cold, and belongs to the heart and liver meridians. It is the rhizome of Salvia miltiorrhiza, family Labiatae, with the effects of activating blood circulation and removing blood stasis (promoting blood circulation and eliminating blood stasis in the body), regulating menstruation and relieving pain (regulating menstruation and relieving pain during menstruation), and cooling the blood and tranquilizing the mind. In clinical practice, it can be used to treat menstrual disorders, abdominal pain, amenorrhea, apoplexy, sores and carbuncles, bruises, rheumatism and paralysis. In daily life, this medicine can be made into tea to drink. However, excessive dosage or improper use of this medicine may lead to nausea, vomiting, dry mouth and other toxic reactions. Therefore, patients are not recommended to make tea and drink this medicine for a long time. Pregnant women should be cautious in using this medicine, and women with excessive menstruation should not use this medicine. Drinking tea generally can not play a therapeutic role in the drug, if the patient’s symptoms persist, should be timely to the hospital, the use of drugs should be carried out under the guidance of a doctor, do not take on their own.