本文分析了砼小型空心砌块住宅顶层墙体产生裂缝的原因，指出通过在设计与施工上采取措施可以基本上解决裂缝问题，提出了修补裂缝的技术方案。 This paper analyzes the causes of the cracks in the top wall of the small hollow block residential building. It is pointed out that the cracks can be basically solved by taking measures in the design and construction, and the technical proposal for repairing the cracks is proposed.