Pandemic COVID-19 has changed the conventional learning system into an online learning system. Teachers and students have been teaching and learning from home since the pandemic has attacked humans globally. This becomes an interesting phenomenon to be investigated. This research aims at investigating the EFL teacher perspective in Ruteng on online learning systems under COVID-19. Three points, namely types of application used, the advantages and disadvantages of carrying out online learning system are the points of investigation. Twenty EFL teachers have been involved in this research. They were asked to write an English essay on how they run the teaching and learning process through the online learning system within the pandemic. The collected essays were read one by one to find the types of application used in online learning by the EFL teachers and identify the advantages and disadvantages of online learning from the EFL teachers 'perspective. The result reports that the EFL teachers use several types of applications in TLP; namely, WhatsApp, google classroom, google meet, messenger, and zoom. The results also underline that the accessibility of online learning is beneficial for EFL teachers. It improves EFL teachers' cognitive skills in technology and causes costeffectiveness on time and money. However, poor communication, lack of motivation, lack of quality, and some technical problems are the obstacles of an online learning system. Regarding to the result above, it is concluded that EFL teachers in Ruteng used more than one application in teaching-learning English. They also consider that online learning has a positive and negative impact on teachers and students.