An autoclave is a specific type of sterilizer machine for hospitals that uses steam under high pressure to kill bacteria, viruses, and other microorganisms. It is one of the most commonly used sterilization equipment used in hospitals, especially for surgical instruments, dressings, and metal tools. On the other hand, a sterilizer is a broader term that includes different types of sterilization machine hospital systems such as ETO sterilizers, plasma sterilizers, and dry heat sterilizers. Each medical sterilization machine works with different methods depending on the material being sterilized. For example, heat-sensitive items are treated using gas or plasma-based sterilizing machine medicine, while heat-resistant tools are handled by autoclaves. In simple terms, all autoclaves are sterilizers, but not all sterilizers are autoclaves. Hospitals use a variety of hospital sterilization equipment to ensure proper sterilization across different departments. Conclusion: An autoclave is a steam-based sterilizer machine for hospitals, while sterilizers include multiple technologies, making them essential hospital sterilization equipment for complete infection control.