What Chinese patent medicines are suitable for spleen and kidney yang deficiency?

Pi-Shen Yang deficiency is a constitution condition identified in TCM (Traditional Chinese Medicine) syndrome differentiation. Commonly used patent Chinese medicines include: 1. **Sishen Wan**: Composed of Nutmeg, Psoralea fruit, Evodia fruit, and Schisandra berries. This formula warms the kidneys and spleen, astringes the intestines, and stops diarrhea. It is indicated for diarrhea and early morning diarrhea caused by Pi-Shen Yang deficiency. 2. **Jinkui Shenqi Wan (also known as Guifu Dihuang Wan)**: Main ingredients include Cinnamon bark, Aconite root, and Prepared Rehmannia root. This formula warms and tonifies kidney Yang, and is indicated for symptoms such as cold pain in the lower back and knees, and frequent nocturnal urination. 3. **Yougui Wan**: Primarily composed of Deerhorn Glue, Prepared Rehmannia root, Cornus fruit, and Lycium berries. This formula focuses on replenishing kidney Yang, nourishing essence, and enriching marrow. It is suitable for physical weakness and cold intolerance caused by kidney Yang deficiency. 4. **Lizhong Wan**: Composed of Ginseng, Dried ginger, Atractylodes, and Licorice. Its primary function is to warm the middle jiao and dispel cold, and to replenish Yang Qi of the spleen and stomach. It is effective for symptoms such as indigestion and abdominal pain caused by spleen Yang deficiency. 5. **Jisheng Shenqi Wan**: Based on Liuwei Dihuang Wan with the addition of Yang-warming herbs such as Aconite root and Cinnamon twig. It is suitable for conditions involving kidney Yang deficiency accompanied by edema and difficult urination.