Selenium-containing injection and preparation method thereof

The invention provides a selenium-containing injection and a preparation method thereof. The selenium-containing injection contains selenium, a surfactant and polyol, wherein the surfactant is one or a combination of two selected from poloxamer 188 and Tween; and the polyol is one or a combination of two selected from sorbitol and propylene glycol. The selenium-containing injection provided by the invention has good stability and can reach the effective treatment concentration of selenium. 本发明提供一种含硒元素注射液及其制备方法。含硒元素注射液，含有硒元素、表面活性剂和多元醇，其中，所述表面活性剂选自泊洛沙姆188、吐温中的一种或两种的组合；所述多元醇选自山梨醇和丙二醇中的一种或两种的组合。本发明提供的含硒元素注射液，具有较好的稳定性，并能达到硒元素有效治疗浓度。