Active extract of Chinese medicine having an alcohol function, their preparation and use

The invention discloses a traditional Chinese medicine active extract with temperance function, and a preparation method and application thereof. The main active components in the traditional Chinese medicine active extract with temperance function are cucurbitacin compounds, especially cucurbitacin B and cucurbitacin D. The invention also discloses a preparation method of the active extract, andapplication of the active extract in preparing medicines for treating alcoholic psychosis or medicines with temperance function. The active extract can be added by conventional traditional Chinese medicine preparation methods to prepare any clinical preparation after adding various auxiliary materials and carriers required by preparation of different preparation formulations. The active extract disclosed by the invention is a low-toxicity traditional Chinese medicine extract which can be used for effectively treating alcohol dependence and preparing medicines with abstinence function.