The ultrasonic vibration micro nozzle consists of a piezoelectric ceramic and a metal foil, which atomizes water or liquids through thousands of micro holes. The product features fine and consistent misted particle size, adjustable misted particle size, no loaded liquids required, high atomizing efficiency, less power consumption, high stability, and durability. It is suitable for humidification in refrigerated food displays and storage, living environments, and air conditioning plants, inhalation and disinfecting equipment, humidification in industrial process control, and liquids dispensing systems.