中性氧化鋁在食品、保健食品、化妝品和藥品等領(lǐng)域的含量測定中廣泛用于樣品的前處理。綜述中性氧化鋁在中藥材及其飲片、中藥制劑的含量中測定樣品前處理的使用情況，有關(guān)粒度、pH值、含水量、裝柱量等對測定結(jié)果的影響，對中性氧化鋁在中藥含量測定樣品前處理中存在的問題及其對策進(jìn)行探討，以期為藥檢工作者提供參考。

Neutral aluminum oxide (NAO) is widely used in the content determination of food, cosmetics, and drug pretreatment. Study on the application of NAO in the content determination of the pretreatment for Chinese materia medica samples is reviewed. The problems and countermeasures of sample pretreatment are discussed, and a reference or the first-line drug testing studies are provided.