Since February 2022, Ukraine has been in a state of constant threat due to a military invasion. In this regard, the activities of enterprises, in particular marketing, require the development of new approaches for survival and development. Social media marketing and advertising can be a particularly powerful tool in these circumstances. The consumer's awareness of the company's news and product range updates, live communication with the client, prompt resolution of controversial and conflicting situations and, in general, constant presence in the information field - this is far from a complete list of advantages that are open to businesses when using social networks. In turn, well-planned targeted advertising allows you to expand the target market almost limitlessly, attracting the most potential age, social and gender groups. Under conditions of external military aggression social media marketing (SMM) turns from a simple competitive advantage into a mechanism for saving both the business itself and the well-being of thousands of migrant families. Advertising, the techniques and practices used to bring products, services, opinions, or causes to public notice for the purpose of persuading the public to respond in a certain way toward what is advertised. The article discusses ways to use SMM and advertising tools, as well as features and tips for the wartime period. The mechanisms of promotion in various social networks, such as Facebook, YouTube, Twitter, Instagram and others are considered. Regardless of which platforms is used or how it is used, the most important thing to remember is that social media is not a platform to pitch the business. It’s a community to express the personality, demonstrate the values, share useful information, and build up those around the brand. With people naturally following the page and promoting the content, there will be no need for pitching. And with this approach, it is possible to achieve not just the business goals but all of the other intangibles that translate to gratification and fulfillment.