There is no clinical data indicating how long it takes to take Compound Danshen Tablets is a course of treatment, patients can strictly follow the doctor’s instructions to use the drug. The main ingredients of Compound Dangshen Tablets are Dangshen, Panax ginseng and ice tablet, which mainly has the effects of activating blood circulation and removing blood stasis (promoting blood circulation and eliminating blood stasis in the body), regulating qi and relieving pain (relieving pain by unblocking qi). It can be clinically used to treat chest paralysis (chest tightness and pain) caused by qi stagnation and blood stasis (blood stagnation due to unobstructed flow of qi), which is characterized by stabbing pain in the precordial region and tightness in the chest, and can also be used in angina pectoris of coronary artery disease with the above symptoms. Patients should take the drug orally, 3 tablets 3 times a day. It should be used with caution in pregnant women. The adverse effects and contraindications of the drug are not clear. Patients need to actively regulate the diet during the use of the drug, avoid spicy, cold, greasy food, and also avoid drinking strong tea and smoking. If the patient’s symptoms do not improve after taking the medication, timely medical treatment is also needed. It is recommended that patients take Compound Danshen Tablets according to their own situation, strictly follow the doctor’s advice or according to the instructions, there is no clear course of treatment time. It is not advisable to self-medication to avoid adverse consequences.