In everyday life, many activities go through a waiting process and often lead to queues. This can happen because supply is not proportional to demand. In terms of these activities, for example, the Drive-Thru Swab Test service at the hospital because it is in accordance with the current pandemic conditions. Therefore, since the Drive-Thru Swab Test has been operating, efforts to encourage Drive-Thru Swab Test services must be able to serve patients quickly and on time so that patients do not wait too long and do not create long queues or crowds. The purpose of our research on queues for Drive-Thru Swab Test services in hospitals is to identify service simulation models using Rockwell Arena Simulations software. The target that the hospital wants is 4 minutes in line to be called in the swab test room and 5 minutes waiting for the examination. From the previous data processing, it is known that the highest queue is at the inspection station, which is an average waiting time of 10-15 minutes. Based on this, suggestions are given to improve Drive-Thru Swab Test services in hospitals, such as adding inspection stations so that they can be more efficient in the service process and can minimize waiting times as expected. The proposed improvements resulted in a total time of 2.7797 hours, WIP 2.2073, and Number Out 1.869.