Conventional negative inotropic substances such as β-blockers, verapamil, propiram can reduce LVOT obstruction, relief symptoms, and may use anti-arrhythmic drugs to prevent SCD. Even if many patients take maxium dosage medicine, but still have symptoms. 治疗上传统的负性肌力药物如β阻滞剂、维拉帕米、丙吡胺等能减轻LVOT梗阻,缓解症状,可以加用抗心律失常药物以预防心脏性猝死,但许多患者服用最大剂量仍有症状。