To make a hospital in Little Alchemy 2, you need to combine the following items:
1. Ambulance - Combine a car and a medic.
2. Medical Equipment - Combine a microscope and a stethoscope.
3. Bed - Combine a mattress and a pillow.
4. Hospital - Combine a bed, medical equipment, and an ambulance.
Once you have combined these elements, you will have created a hospital in Little Alchemy 2.