Digital tools is widely used in language teaching around the world. Pandemic Covid-19 had pushed the education to opt for hybrid system which enable the lecture session to be done in online and also face to face interaction. Vocabulary is important in improving the four main skills such as reading, writing, speaking and listening. Limited vocabulary make the students to depend too much to translation. Hence, this paper presents a systematic review of relevant published studies on the use of digital tools to improve Vocabulary Acquisition from the year 2011 until 2021. This systematic review strives to focus on how digital tools aid the learners in vocabulary acquisition and what are the advantages of using digital tools. The result shows that the use of digital tools will improve vocabulary acquisition. This paper report the limitation and recommendations that focus on vocabulary acquisition through the use of digital tools.