In Engpsh, a hospital is a medical facipty where sick or injured people go to receive medical treatment. You can say "I'm going to the hospital" or "I need to go to the hospital." You can also refer to a hospital as a "medical center" or a "healthcare facipty." For example, you could say "I'm going to the medical center for a checkup" or "I need to go to the healthcare facipty for surgery."