This study aims to describe the implementation of the online Arabic learning process using WhatsApp media during the covid 19 at UIN Sulthan Thaha Saifuddin Jambi. This type of research is descriptive qualitative research with phenomenological research..The results of the study show that Arabic language lecturers 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. In the implementation of the use of WhatsApp as a learning medium there are several obstacles, namely cellphones, internet quotas, lack of interaction, difficulty in knowing the seriousness of students' learning, lack of interest in student learning, limited time, and difficulty in understanding the material provided, and in this study describe solutions. This was done to overcome the obstacles that occur from the use of WhatsApp as a learning medium during the Covid-19 pandemic.