In order to meet the requirements of the “New Engineering” for the cultivation of automotive service engineering talents, emphasis is placed on the cultivation of students’ practical and innovative abilities. The mapping relationship between course content and course objectives is established through the Rain Classroom platform. Taking the mechanical design course as an example, a combination of process assessment and outcome assessment was used to evaluate the degree of goal achievement, and the changes in students’ daily grades, final grades, and goal achievement from 2021 to 2023 were explored. The results showed that after applying the Rain Classroom evaluation system, the relevant evaluation indicators increased by about 10 percentage points.