2. The prescription of Shugan Liqi Pill is composed of 1 1 herbs, and Bupleurum and Cyperus tuber are the monarch drugs for soothing the liver and relieving depression, regulating qi and relieving pain. Radix Aristolochiae, Flos Rosae Rugosae and Rhizoma Corydalis promote qi circulation to relieve depression; Pericarpium Citri Tangerinae regulates qi and middle energizer, which is a minister medicine. Pinellia ternata reduces adverse flow and stops vomiting, and reduces swelling and dissipates stagnation; Hawthorn digestion and accumulation; Salvia miltiorrhiza promotes blood circulation and qi circulation; Pogostemon cablin is an adjuvant for eliminating dampness and stopping vomiting. Glycyrrhiza uralensis Fisch is used as a medicine to reconcile the properties of various drugs. The compatibility of the whole prescription has the functions of soothing the liver, regulating qi, relieving depression and relieving pain.