Glucurolactone was studied by our company and Norman bethune medical university together, but it is only produced by our company. The preparation can effectively control liven disease changing to cancer and have the obviously effect to some clinical symptoms caused by liver disease, for example: uncomforted and pain in liver area, dazzle, feeling of oppression in the chest, ascetics, poor appetite, brashand angry, tiredness, emaciation, yellow face color, being sick of oil, bitterness of mouth, night-sweat. This preparation make liver disease rapid recovery with its scientific compatibility.