Objective To point out some problems of drug dissolution or release tests,and to discuss the methods in Chinese Pharmacopoeia 2010,Part Ⅱ.Methods The items of dissolution test on solid dosage forms for oral and appendix method rules were analyzed carefully.The items were compared with US Pharmacopoeia and British Pharmacopoeia.Results There are some wrong in writing and not proper operation description in dissolution or release tests.It is necessary to discuss about the regulations in dissolution or release tests.Conclusion The methods of drug dissolution or release tests should be corrected.