The efficacy and function of Shugan Liqi Pill depend on the ingredients contained in it. Among them, Radix Aristolochiae and Rhizoma Corydalis promote qi and relieve pain, while Radix Bupleuri and Rhizoma Cyperi regulate qi, soothe the liver and relieve depression. The rose contained in it can regulate qi and relieve depression, promote blood circulation and remove blood stasis, while licorice can play a role in invigorating qi and strengthening the spleen. Pericarpium Citri Tangerinae can invigorate spleen and regulate qi, Fructus Crataegi can invigorate spleen and promote digestion, promote blood circulation and remove blood stasis, Radix Paeoniae Alba can regulate menstruation and relieve pain, promote blood circulation and remove blood stasis, and Jiang Banxia can relax the mind, warm the middle warmer and remove dampness. Only by combining these herbs together can we play the role of soothing the liver and relieving depression, which is very suitable for regulating symptoms such as chest tightness and abdominal distension caused by liver qi discomfort.