Objective To avoid the invalid assessment and erroneous judgement of sanitary quality grade in comprehensive assessment on sanitation qualities of public places. Methods Based on the characteristics of public places the fuzzy comprehensive assessment method and index comprehensive assessment method were improved and were applied in the sanitary assessment on 5 kinds of public places in Taiyuan. Results The public places of hotels, shopping centers and barber and beauty shops revealed better sanitary quality,the sanitary qualities of 83%～100% of these three kinds of public palces were assessed as Grade Ⅰ quality by fuzzy comprehensive assessment method, and of 71%～75% of those three kinds of public places were assessed as Grade I quality by index assessment method, and rest were grade Ⅱ quality. The data on sanitary quality grade of public bath rooms showed a scattered distribution in four grades respectively. The public places of entertainment revealed the worst sanitary qualities with grade Ⅱ and grade Ⅲ. The statistical test on the identity of these two assessment methods showed u value of 1.9884, P