The primary objective is to examine the opportunities and challenges in digital marketing for small and medium enterprises under the Covid-19 pandemic. Under this special period, effective marketing requests the collection of data to understand more about the targeted consumers, allowing advertising and other strategies to be more directed. Based on the literature review, the researchers identified the following themes: digitalization and digital marketing, digital and traditional modes of marketing, consumer behavior and e-commerce during the Covid-19 pandemic. In conclusion, digital marketing has surpassed traditional marketing. Advertising on social media is attracting the attention of digital marketers. To succeed in this new marketing, SMEs must first understand and fit their businesses with the consumer behavior in order to pick the strategy that is better for them. Because of the potential market share gains that digital marketing could give more internet marketers, it is expected that social advertising spending will continue to grow in the coming years.