[Objectives]  To determine the effectiveness of beta-cyfluthrin microcapsule suspension as a means of controlling Blattella germanica. [Methods]  Experiments were conducted in accordance with the national standards of the People^,s Republic of China, GB／T 13917.1-2009 laboratory efficacy test methods and criteria of public health insecticides        for pesticide registration-Part 1: Spray fluid. [Results]  Glass panels were treated with beta-cyfluthrin microcapsule suspension at a dosage of 0.8 mL/m² for 98 days and 112 days, and at a dosage of 1.6 mL/m² for 112 days and 119 days. [Conclusion]  The control effects of  treated glass panels could last for a longer time when both tiles and glass were treated with the same dosage.