The invention discloses a medicine interventional treatment device for medical oncology. The medicine interventional treatment device comprises a bottom plate, a first water suction pump and a medicine accommodating box are arranged on one side of the upper surface of the bottom plate, a liquid filling hole is arranged at the upper end of the medicine accommodating box, a water inlet of the first water suction pump is connected with the lower end of one side of the medicine accommodating box through a catheter and is inserted into the body of a patient through an interventional syringe needle, a medicine is pumped into the body of the patient through the first water suction pump, the hydrops in the body of the patient is pumped out through a suction device, the medicine interventional treatment device is more convenient for a doctor to use, a cleaning liquid in a cleaning tank is pumped to the medicine accommodating box through a second water suction pump, and then the medicine accommodating box is cleaned more conveniently. The medicine interventional treatment device for medical oncology is simple in structure and convenient in operation, the medicine is directly injected by aiming at an infected part of the patient, the hydrops in the body of the patient is pumped, and the device is convenient to clean.