Abstract: The present device deploys a portable humidifier of utilizing mineral water bottles or thermos containing mineral water, including an ultrasonic vibrator, a circuit part to generate ultrasonic waves, USB connector to supply electric power in connection to the circuit part, and a water-supply bottle join, and a main body in which a water-supply part can be installed and spray holes are formed, but the water supply part consists of a circular filter, and a support pipe, while accommodating the circular filter, a through hole is drilled on the support pipe to connect an auxiliary water-supply filter or a large and short circular filter by forming a stopper, in order to make the appearance beautiful, lighting LED is installed at the said circuit part, and ornamental caps and ornamental auxiliary materials are installed at the top of the said main body.