Alkalinity of pharmaceutical containers is to be highly influenced for liquid pharmaceuticals. The criteria of the alkalinity of ampoules and vials used as pharmaceutical containers is established in the Korean Pharmacopoeia. However, the criteria of general containers for liquid pharmaceuticals is not eatablished in the Korean Pharmacopoeia. Therefore, we tried to perform comparing test for domestic products and foreign products of following group: 1) vials 2) general containers for liquid pharmaceutical 3) general containers for tablet pharmaceuticals It was found that the domestically produced vials were good enough for criteria, while almost fifty percent of non-established containers was unsaticefactory.