Indonesia's low literacy rate makes Indonesia lagging behind several other countries. The purpose of this study is to improve technological literacy in school students. This study uses the YouTube application as a medium to improve technological literacy. The method used is descriptive quantitative with an approach using a pre-experimental method in the form of a one-group pre-test post-test design. The results of this study an increase in knowledge of technological literacy by 42%. The pre-test result of 28% increased to 70% after being given treatment. YouTube media is proven to be able to improve technological literacy in elementary school students and can be used as a technology literacy media.