Clinical Study on Qishen Yiqi Dropping Pills Combined with Needle Embedding Therapy for Heart Failure Patients with Qi Deficiency and Blood Stasis Syndrome

INTERVENTION: Experimental group:Qishen Yiqi Dropping Pills, Dosage and Administration: 0.5 g per bag, 1 bag each time, 3 times daily, orally 30 minutes after meals, for a total of 4 weeks) + Embedded Needle Therapy (Neiguan point, 4 times per week) for consecutive 1 week.;Control group:Qishen Yiqi Dropping Pills + Western Medicine Group. Continuous intervention for 4 weeks.; CONDITION: Heart failure PRIMARY OUTCOME: NT‐proBNP;Traditional Chinese Medicine Syndrome Score; SECONDARY OUTCOME: Traditional Chinese Medicine Syndrome Score;Echocardiogram;Six‐Minute Walk Test;Minnesota Quality of Life Score;General Information; INCLUSION CRITERIA: 1. Ages between 18 and 80 years old, regardless of gender; 2. Meet the New York Heart Association (NYHA) cardiac function classification, including grades II‐IV; Heart failure with preserved ejection fraction (HFpEF); 3. Conform to traditional Chinese medicine (TCM) syndrome differentiation as Qi deficiency and blood stasis syndrome; 4. Willing to cooperate with treatment.