Starting in 2020, the Covid pandemic affects the whole world which creates many problems in the health department. The hospitals have too many patients to treat and have to prioritize clients. Some doctors offered to base priority on external factors like age and status. However, it poses questions about the medical ethics installed. A case study on how doctors make their decision on who to treat first when confronted to a critical situation is presented to demonstrate Peter Singer’s preference utilitarianism and his approach to this dilemma.