In the rapid development process of economy in China,the number of highway engineering projects is constantly increasing.Concrete cracks in highway engineering are common quality hazards in the construction process,and relevant personnel need to think about how to avoid the occurrence of concrete cracks in the construction process.Based on this,this paper starts with the harm of concrete cracks in highway engineering construction,and analyzes in detail the causes and treatment measures of concrete cracks in highway engineering construction,in order to effectively improve the quality and durability of concrete structures in highway engineering.