The invention discloses a full-automatic cell immunolabeling instrument. The full-automatic cell immunolabeling instrument comprises a frame, a labeling turntable is arranged on the frame, glass slide fixtures capable of rotating around an axis of the labeling turntable are arranged inside the labeling turntable, a cover plate is arranged on the upper portion of the labeling turntable and provided with at least one first liquid adding hole positioned above the corresponding glass slide fixture, and at least one first liquid adding pump with an outlet connected with the corresponding first liquid adding hole is further arranged on the frame. The full-automatic cell immunolabeling instrument is capable of effectively improving cell labeling efficiency.