In the context of double first-rate construction, how to speed up the pace of teaching reform research, especially make full use of internet technology to update teaching mode and improve teaching effect is a question that needs to be considered. This paper analyzed the current opportunities and challenges of teaching reform research and focused on the current situation and problems of CAD teaching in architectural drawing. Based on the exploration of teaching practice, how to use the internet platform to carry out interactive teaching model of architectural drawing was summarized.