Abstract: An infusion set of a system for detecting and controlling drip rate is disclosed. The infusion set includes an infusion device and an adjustment device. The adjustment device is installed on the infusion device and for adjusting drip rate of injection in the infusion device. The infusion set of the system further includes an activating unit and at least one detecting module. The activating unit is coupled to a control unit of the system for providing staff in the hospital to control the drip rate through operation of the control unit. Further, the infusion set of the system further includes further includes at least one detecting module for drip counts, whereby it provides the staff with further information when controlling the drip rate of the infusion set.