The invention relates to a portable
capsule tea making device, which comprises a body and a
brewing assembly, a water tank is embedded in the body, a cover body is arranged at the upper end of the body, a heating piece, a temperature sensor, a battery, a pump body and a control
assembly are arranged in the body, the bottom of the water tank communicates with a water inlet
pipe, and the other end of the water inlet
pipe communicates with a water inlet of the pump body; a water outlet of the pump body communicates with a water outlet
pipe; the
brewing assembly comprises a fixing cover, a supporting base and a material receiving cup, the fixing cover is clamped with the body, a puncture pipe is arranged at the lower end of the fixing cover and communicates with the water outlet pipe, the supporting base comprises a cylinder, a
caliber adjusting mechanism and a
capsule bottom supporting plate, the cylinder is connected to the fixing cover, and the
caliber adjusting mechanism is arranged in the cylinder; the
capsule bottom supporting plate is in threaded connection with the interior of the cylinder, and a discharging opening is formed in the capsule bottom supporting plate. A capsule bottom supporting seat is rotated by adjusting the inner
diameter of the
caliber adjusting mechanism and the height of the capsule, and the effect of being suitable for different types of capsules is achieved.