Production method of Jinggandu oral liquid

A method for producing oral liquid used for removing hepatotoxin consists of herba patriniae, buffalo horn, turmeric, eupatorium japonicum, china root and ardisia japonica, wherein, the herba patriniae, the buffalo horn, the turmeric and the eupatorium japonicum are main medicines, and the china root and the ardisia japonica are auxiliary medicines; the method is characterized in that the oral liquid contains 25%-32% of herba patriniae, 4.5%-6.5% of buffalo horn, 16%-22% of turmeric, 11%-16% of eupatorium japonicum, 14% -19% of china root and 11%-16% of ardisia japonica; the method has three steps: 1. the herba patriniae, the buffalo horn, the turmeric, the eupatorium japonicum, the china root and the ardisia japonica are sunned to be dry; 2. the buffalo horn is ground into 300-450 meshes of powder; 3. the herba patriniae, the turmeric, the eupatorium japonicum, the china root and the ardisia japonica are added with water to be soaked for 20 minutes according to the proportion of 3:25, and then are boiled by