펫로스 증후군은 가족과 같던 반려동물이 죽은 뒤 상실감과 슬픔, 우울감 등이 나타나면서 고통을 겪게 되는 현상을 말한다.
The Pet Loss Syndrome refers to a phenomenon that a pet, who was just like a family, dies, and one suffers from a sense of loss, sadness, and depression after the pet's death.