本发明公开了一种用工业冰醋酸生产药用冰醋酸的方法,包括以下步骤:(i)过滤;(ⅱ)精馏;(ⅲ)收集轻物质;(ⅳ)收集冰醋酸;(ⅴ)收集重物质;本发明所提供的方法利用塔板理论将原料中的轻物质、重物质和产品同时实现分离,通过原料泵将经过过滤的工业冰醋酸加入到精馏塔中,在不同的塔板数值处,分别设置产品采集口和原料添加口。本发明 The invention discloses a method for producing medicinal glacial acetic acid by using industrial glacial acetic acid, which comprises the following steps: (i) filtering; (ii) rectifying; (iii) collecting light substance; (iv) collecting glacial acetic acid; Collecting heavy material; the method provided by the invention utilizes the plate theory to separate the light material, the heavy material and the product in the raw material at the same time, the filtered industrial acetic acid is added to the rectification tower through the raw material pump, Plate value, respectively, set the product collection port and raw materials added mouth. this invention