Taking Quick-acting Heart Saving Pills for normal people may cause nausea and vomiting, panic and chest tightness, etc. It is not recommended for normal people to take the medicine blindly. Quick-acting Heart-Saving Pills are used for angina pectoris of coronary heart disease of the qi stagnation and blood stasis (blood stasis due to lack of qi flow) type. Quick-acting Heart-saving Pill, consists of Chuanxiong Xiong (Rhizoma Ligustici Chuanxiong) and ice tablet. It has the effects of promoting qi and blood circulation (promoting the flow of qi to make blood circulate), eliminating blood stasis and relieving pain (eliminating blood stasis to relieve pain), increasing coronary blood flow, and relieving angina pectoris. Clinically, it is often used to treat chest paralysis (chest tightness and pain) caused by stagnation of Qi and blood stasis and paralysis of the heart veins, with symptoms such as tightness and pain in the chest, palpitation (rapid heartbeat, often accompanied by panic), or pain in a fixed place or traction on the inner side of the left arm, with a purplish and dark tongue, thin moss, and a fine and astringent pulse. It should be noted that pregnant women are contraindicated; cold coagulation and blood stasis, yin deficiency and blood stasis, chest paralysis and cardiac pain should not be used alone; people with a history of allergy should be cautious; people with myocardial ischemia accompanied by moderate-to-severe heart failure should be cautious; during the period of treatment, it is advisable to add nitrates to persistent episodes of angina pectoris. It is recommended that the use of drugs should be standardized under the guidance of a doctor, do not blindly use their own drugs to avoid adverse reactions.