Le Vein Pill has the efficacy of promoting qi and blood circulation (promoting the operation of gases to enable blood circulation), resolving blood stasis and clearing the veins. The contraindications of this drug are not clear. The drug can be used for the treatment of headache, dizziness, chest pain, palpitation (rapid heartbeat, often accompanied by panic) caused by qi stagnation and blood stasis (blood stasis due to the lack of qi), and can also be used in the treatment of coronary heart disease, angina pectoris and multiple cerebral infarction seen in the above symptoms. It should be noted that when angina pectoris is in acute attack, this product cannot be used alone. Before using Le Vein Pill, it is recommended to go to a regular hospital for consultation and treatment under the guidance of a professional physician to identify the symptoms.