Logical thinking ability is the foundation of innovation and practical ability.The process of reading pictures is a comprehensive application of multiple thinking,but logical think-ing ability cannot be replaced.This article elaborates on the importance of graphic thinking meth-ods and logical thinking in the process of reading composite graphics,and through examples,re-veals the logical thinking methods in the process of reading composite graphics.It provides a teaching method for the teaching of engineering graphics,in order to open up a new situation in traditional teaching and promote the improvement of students'logical thinking and ability to ana-lyze and solve problems.It can better adapt to the demand for innovative thinking talents in the new era.