2. Its main functions are promoting blood circulation, removing blood stasis, improving microcirculation and resisting arteriosclerosis, and it is suitable for patients with cardiovascular and cerebrovascular diseases caused by arteriosclerosis, such as coronary heart disease, angina pectoris, myocardial infarction, heart failure, cerebral infarction and cerebral embolism. It is also suitable for peripheral vascular thromboembolic diseases, such as arteriosclerosis and venous thrombosis of limbs, especially venous plaque and arterial embolism of lower limbs. These patients can take Danshen tablets for a long time. Without these basic diseases, only arteriosclerosis was found during physical examination, and vascular ultrasound showed arterial plaque or venous thrombosis. At this time, Danshen tablets can also be taken orally for a long time. However, it is not recommended to take Danshen tablets orally for a long time for patients with non-thrombotic diseases or non-arteriosclerosis diseases.