At present, information technologies such as cloud computing, AI technology, mobile internet and 5G other are accelerating the change of traditional education and teaching methods. Due to the impact of the new crown epidemic in the past two years, online education, Chinese university MOOC and smart vocational education have rapidly developed, and education and teaching informatization are being used to promote teaching reform. This paper uses the ADDIE model to analyze the online design of 5G Network

Planning and Optimization, implements the education and teaching reform of the course classroom, and improves the combination of

theoretical and practical abilities of communication technology students. Based on the background of the ADDIE model framework,

it designs the course teaching of 5G Network Planning and Optimization from five major systems, including teaching analysis, teach

ing design, teaching development, teaching implementation and teaching evaluation, which can improve teaching effects.