This study aims to describe: (1) The use of WhatsApp as a learning media in the network during the Covid-19 pandemic in class VI B SD Negeri Karawaci Baru 1 Tangerang City (2) Obstacles that occur in the use of WhatsApp as a learning medium in the network during the Covid-19 pandemic in class VI B SD Negri Karawaci Baru 1 City Tangerang (3) Solutions to overcome obstacles in the use of WhatsApp as a learning medium in the network during the Covid-19 pandemic in class VI B SD Negeri Karawaci Baru 1 Tangerang City. This research was conducted at SD Negeri Karawaci Baru 1 Tangerang City in March – June 2021. This type of research is qualitative descriptive with a phenomenological type of research that describes the use of WhatsApp as a learning medium in the network during the Covid-19 pandemic. The data from this study were obtained through interviews with the homeroom teacher who became the main source of this research, then interviews with 1 homeroom teacher for class VI B, observations in the form of passive participation observations and documentation as supporting data from the interviews. The results of the study show that teachers have used WhatsApp as a learning medium in supporting online learning activities by utilizing various available features such as photo, video, document and video call features. Then in the implementation of the use of WhatsApp as a learning medium there are several obstacles, namely signal interference, full cellphone memory, lack of memory Interaction, it is difficult to know the seriousness of students' learning, lack of student learning motivation, online learning support facilities, and difficulty understanding the material provided, as well as in this study describe the solutions carried out to overcome obstacles that occur from using WhatsApp as a learning medium in the network during the pandemic Covid-19. From the results of this study, it is recommended that educators be able to make learning variations, especially by using the features on whatsApp, mastering and using ICT in the online learning process.