Designing lesson plans is one of the important contents in organizing teaching and learning to develop students' qualities and abilities. The article analyzes the current situation of designing lesson plans for 3rd grade Art subjects following the competence-based approach at primary schools. From there, we provide technical procedures for designing lesson plans appropriately in the current context, helping teachers create excitement and learning spirit for students to improve efficiency in the teaching and learning process, promote the qualities and abilities of students, meeting the innovation goals of the General Education Program