This study focuses on improving heart function in patients with life-threatening blood infections (septic shock). When the body fights severe infections, the heart sometimes struggles to pump blood effectively, which can lead to dangerous complications. Current treatments like intravenous fluids and blood pressure medications have limitations in protecting heart function. This multicenter clinical trial aims to evaluate whether adding Shenfu Injection - a traditional Chinese medicine preparation widely used to enhance cardiac function in cardiovascular diseases - to standard therapies can: 1. Prevent myocardial dysfunction during septic shock 2. Accelerate cardiac recovery if complications occur 3. Improve overall survival and clinical outcomes The randomized controlled design will compare therapeutic effects between two groups: one receiving standard septic shock treatment alone, and the other receiving standard treatment combined with Shenfu Injection.