An ambulance is a medically equipped vehicle which transports patients to treatment facilities, such as hospitals. Ambulances are used to respond to medical emergencies by emergency medical services. For this purpose, they are generally equipped with flashing warning lights and sirens. They can rapidly transport paramedics and other first responders to the scene, carry equipment for administering emergency care and transport patients to hospital or other definitive care.

Ambulances equipped with life-support equipment, and are usually crewed by staff with fewer qualifications than the crew of emergency ambulances.

It is similar to moving hospitals came into existence way back to 1854.

The primary role of an ambulance service is emergency pre-hospital medical care, although they generally provide both emergency response and patient transfer. Ambulances lie between life-threatening situations and life-saving moments.