The paper introduces the four quality common diseases in steel structures,including the manufacturing diseases,welding diseases, fasten connector diseases,and hoisting diseases,interprets the features of these quality diseases,and points out the prevention and correction of the diseases after analysis and study,so as to lay the foundation for improving the construction quality of steel structures.%介绍了钢结构工程中常见的四种质量通病---制作、焊接、紧固件连接、吊装质量通病，并对各质量通病的特点作了解释，通过分析研究，提出了各质量通病的预防及纠正措施，为提高钢结构的施工质量奠定了基础。
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