The difference between Coronary Heart Danshen Drop Pills and Compound Danshen Drop Pills is that there are differences in drug composition, adverse reactions and contraindications. 1. Coronary Heart Danshen Drop Pill: It is composed of Salvia miltiorrhiza, Panax ginseng and oil of descending fragrant. Its efficacy is to activate blood circulation and eliminate blood stasis (promoting blood circulation and eliminating blood stasis in the body), regulate qi and relieve pain (relieving pain by unblocking qi). It is used for chest paralysis (stuffy pain in the chest) and cardiac pain (stuffy pain in the anterior region of the heart, or even chest pain across the back that prevents one from lying down) caused by stagnation of qi and blood stasis (stagnation of blood due to lack of circulation of qi), which is characterized by stuffy pain in the chest and shortness of breath due to panic attacks. Coronary angina pectoris with the above symptoms can be treated with this drug. The adverse reactions and contraindications of this drug are not clear. It should be used with caution in pregnant women. 2. Compound Danshen Dropping Pill: It is composed of Danshen, Panax ginseng and ice tablet. Its function is to activate blood circulation, eliminate blood stasis, regulate qi and relieve pain, used for chest paralysis (chest tightness and pain) caused by qi stagnation and blood stasis, symptomatic chest tightness, tingling in the anterior heart area. Coronary angina pectoris can be treated with this drug if the above symptoms are seen. Adverse reactions to the drug include nausea, vomiting, dyspepsia, stomach pain, abdominal distension, diarrhea, dizziness, headache, rash and itching. It is contraindicated for those who are allergic to the product and the ingredients contained in it. Caution is advised for pregnant women, lactating women, allergic persons, and persons with spleen and stomach deficiency (spleen and stomach weakness and cold). As we can see, there is no big difference between the above two drugs in terms of efficacy except for the differences in drug composition, adverse reactions and contraindications. Coronary heart Danshen drip pill and compound Danshen drip pill should be used under the guidance of a professional doctor, do not blindly self-medication, in order to avoid adverse consequences.