If the patient has left anterior branch conduction block, this condition usually does not require specific treatment and the patient does not experience any discomfort after the formation of this abnormal presentation. In other patients, the left anterior branch conduction block may be triggered by an acute ischemic attack. For such patients, they are advised to take oral aspirin, metoprolol, isosorbide mononitrate, and trimetazidine tablets. In addition, when necessary, the patient can combine isosorbide nitrate and sulforaphane to improve circulation and thus alleviate the abnormal manifestations of left anterior branch block. However, in most cases, even after systematic treatment, the left anterior branch block cannot be changed, and patients should not worry too much. Patients should not worry too much, as long as they have regular follow-up ECG or direct dynamic ECG to see if the current left anterior branch block is paroxysmal.