The invention discloses a medicine for treating sepsis myocardial dysfunction. The medicine consists of an active ingredient and a pharmaceutically acceptable excipient, wherein the active ingredient is prepared from the following raw materials: cassia twig, radix salviae miltiorrhizae, radix pseudostellariae, styrax ester, calculus bovis factitius and radix et rhizoma rhei. The traditional Chinese medicinal composition disclosed by the invention, which is prepared from the active ingredient and the excipient together, is capable of effectively improving the cardiac function of patients with sepsis myocardial dysfunction and reducing a death rate, a myocardial injury marker and an inflammatory mediator, and the traditional Chinese medicinal composition is free from an adverse reaction. The medicine fills a gap in the therapeutic field.