Abstract: A beverage preparing system includes a beverage preparing machine, including a water inlet seat movable in a front-rear direction and formed with a rear water channel, a rear needled disc formed with rear perforating needles and mounted in the water inlet seat, an infusion housing movable in front of the water inlet seat and formed with a front water channel, a front needled disc formed with front perforating needles and mounted in the infusion housing, and an infusion capsule pre-packaged with raw plant material and held between the front and rear perforating needles by a clamp. The beverage preparing system further includes a mobile app communicatively connected to a controller of the beverage preparing machine, a cloud server and a cloud engine. A beverage preparing method is also disclosed.