Taking salvia tablets before bedtime has the benefit of activating blood circulation and removing blood stasis. However, it is not limited to taking it before bedtime, and there is no time difference in its efficacy. Danshen tablets are a kind of commonly used Chinese patent medicine. The main ingredient is Salvia divinorum, with sugar-coated tablets or film-coated tablets, showing brownish-red color after removing the coating, with slightly bitter and astringent taste. It has the effect of activating blood circulation and removing blood stasis (promoting blood circulation and eliminating blood stasis in the body). It is mainly used for chest pain caused by blood stasis and obstruction, and the pain has a fixed place; dark purple tongue; as well as coronary heart disease, angina pectoris see the above symptoms. The adverse reactions of Danshen Tablets are not clear. It is contraindicated for those who are allergic to it, and should be used with caution in allergy, pregnant women and during active bleeding. Avoid spicy, cold and indigestible food. This drug is a prescription drug, must be prescribed by a professional physician to follow the doctor’s instructions, do not take on your own, so as not to delay or aggravate the condition. If you feel unwell during the course of taking the medicine, you should go to the hospital in time.