In the 21st century, science and technology are developing rapidly, and 5G industry is booming in the communication industry market. At present, the network complexity of communication companies is getting higher and higher. It is not clear about the real application and marketing of 5G. New strategies are urgently needed to stabilize the industry. However, Huawei is a domestic brand communication company in China, which stands out in the fierce competition of 5G technology and has made achievements in 5G under the impact of European and American countries. Therefore, when the 5G technology storm strikes, it is very important for communication companies to choose appropriate strategies to deal with the competition in all aspects. Taking Huawei 5G mobile phone as an example, this thesis analyzes the market environment of Huawei 5G mobile phone from macro and micro environment. By analyzing the market environment, we can further understand the fierce competition in marketing. In the development of communication technology, Huawei 5G mobile phone, as a new product, faces competition inevitably. This thesis discusses and analyzes the market of Huawei 5G mobile phone. Huawei has clearly defined the strengths, weaknesses, opportunities and threats of the 5G mobile phone market. According to the actual situation, Huawei formulate market segmentation, and select the target market to develop advantages and seize opportunities. It faces the changes of different market environment and makes different marketing strategies. Huawei products have won stable customers not only in terms of quality but also in terms of service. Even in overseas markets, it has taken up a certain market share. Therefore, Huawei provides important references for other communication companies when dealing with marketing and application of 5G products.