A bovine uterine liquid medicine feeder comprises a syringe and a propelling tube. A syringe connection tube is connected to the front end of the syringe, and a concave connector is connected to the front end of the syringe connection tube. A hollow conical head is connected to the front end of the propelling tube, a medicine applying bladder made of an elastic material is connected to the tail end of the propelling tube and provided with an air inlet valve of the medicine applying bladder, and a convex connector connected with the concave connector is connected to the tail end of a medicine applying bladder connection tube which is connected to the tail end of the medicine applying bladder. The conical head is provided with a plurality of medicine outlet holes. Since the bovine uterine liquid medicine feeder is provided with the medicine applying bladder, dosage can be properly adjusted in a treatment process, medicines can be released for a long time to achieve a sustained-release effect, and excellent medical effects can be achieved. Moreover, the bovine uterine liquid medicine feeder is simple in structure, reasonable in design and pretty high in promotion and application value.