Danshen Drops is a proprietary Chinese medicine that can control the clinical symptoms of coronary heart disease and prevent the onset of angina pectoris, with the advantages of good efficacy, rapid action, easy to take, etc. It can improve the function of the heart and heart ischemia. Studies have found that it also has a certain hypolipidemic effect and has no adverse effects on the liver, kidney and blood system, making it safe and reliable for clinical use. The common side effects of taking Danshen Drops are some gastrointestinal discomfort, including abdominal pain and diarrhea, which can often be relieved within a short period of time. Other rare side effects, including allergic reactions, mainly itching, redness and rash of the skin, may be related to the ingredients of Danshen Drops, which can be given under observation and quickly relieved after treatment.