The side effects of Salvia miltiorrhiza have not been clarified. When it is made into a compound preparation, patients may experience side effects such as gastric discomfort, nausea, bitter and dry mouth, but the exact side effects vary from person to person. Danshen belongs to a kind of traditional Chinese medicine, mainly recorded in the Chinese Pharmacopoeia and Chinese Materia Medica, which belongs to the medicines of activating blood circulation and removing blood stasis (promoting blood circulation and eliminating blood stasis in the body). It is slightly cold in nature, bitter in flavor, and belongs to the heart and liver meridians. It has the efficacy of activating blood circulation and removing blood stasis, clearing the heart and removing vexation (removing vexation and heat within the heart), promoting menstruation and relieving pain, cooling the blood and eliminating carbuncles (eliminating carbuncles and swellings by clearing and cooling the blood). Clinically, it can be used to treat chest paralysis (stuffy pain in the chest), heart pain, heat paralysis (often characterized by burning, pain, redness and swelling of joints and muscles), hypochondriac (abdomen) dystocia (pain in the area of coxa and ribs), disturbed heart and insomnia, as well as menstrual disorders, menstrual pain and menstrual occlusion, and painful sores and ulcers. The side effects of Salvia divinorum in general have not been clarified, but some patients using compound preparations made from Salvia divinorum may experience side effects such as gastric discomfort, nausea, bitter and dry mouth. Note that women with excessive menstruation and without blood stasis are forbidden to take, pregnant women should take with caution, and the contraindication of drug pairing is anti-veratrum. During the period of taking Salvia divinorum, patients should report to the doctor in time if there is any abnormal discomfort in the body. And cooperate with doctors to take relevant treatment measures. In daily life, it is necessary to ensure sufficient rest time, do not overwork.