In the process of survival and development of contemporary enterprises, the ability to adapt to changes in the external environment determines the future development of the enterprise. It is very important for an enterprise to seek a coordinated balance between the external marketing environment and internal conditions. When enterprises conduct marketing activities, they are subject to many legal regulations and restrictions. Enterprises need to fully understand the role of the rule of law environment on marketing. In the process of carrying out marketing activities, enterprises must not only abide by relevant laws and regulations, but also be good at using laws and regulations to ensure the implementation of marketing strategies. In view of this, the author will elaborate on the two aspects of the legal environment's regulatory constraints on corporate marketing and the use of legal means to ensure the implementation of marketing strategies.