Vancomycin, also known as trimetazidine hydrochloride tablets, can protect the energy metabolism of cells under hypoxia or ischemia, prevent the decrease of intracellular ATP level, improve exercise tolerance and improve the symptoms of angina pectoris, especially for angina pectoris caused by cold stimulation or exertion. In addition, it can also be used for the treatment of vertigo and tinnitus. 1 tablet/time, 3 times/day, with meals is recommended, and its therapeutic effect can be evaluated after 3 months, if there is no effect, the drug can be discontinued, if there is some improvement, it is recommended to take this drug for a long time.