The utility model discloses an anesthetic needle for the anesthesiology department. The anesthetic needle comprises an anesthetic needle frame, an anesthetic needle is detachably connected to the anesthetic needle frame; the anesthetic needle comprises a needle cylinder and a piston push rod; the needle cylinder is detachably connected with the anesthetic needle frame; the piston push rod is arranged in the needle cylinder in a sliding manner; to increase the effect of anesthesia, during anesthesia, anesthetic generally needs to be injected into a plurality of positions of one part; this requires multiple punctures, increasing pain in a patient, the puncture depth of the anesthetic needle in the prior art is difficult to control; according to the utility model, an anesthetist can perform anaesthesia according to actual needs and the size of an anaesthesia range; during use, an anesthetist can use the middle finger and the index finger to fasten the finger retaining ring and use the thumb to press the piston push plate, so that multiple groups of anesthetizers can complete injection at the same time, and the operation is convenient.