An animal operation analysis system (100, 200, 300, 400, 550, 500, 600), comprising: a first acceleration sensor configured attachable to an animal which is an object-to-be-operated operated by an operator, the first acceleration sensor measuring acceleration of the object-to-be-operated and outputting first acceleration data; a living body sensor (513, 561) configured attachable to the object-to-be-operated, the living body sensor (513, 561) measuring living body information of the object-to-be-operated and outputting living body data; a second acceleration sensor configured attachable to the operator, the second acceleration sensor measuring acceleration of the operator and outputting second acceleration data; a first communication device configured attachable to the object-to-be-operated, the first communication device being inputted with the first acceleration data from the first acceleration sensor and transmitting the first acceleration data; a second communication device (12, 562) configured attachable to the object-to-be-operated, the second communication device (12, 562) being inputted with the living body data from the living body sensor (513, 561) and transmitting the living body data; a third communication device configured attachable to the operator, the third communication device receiving the first acceleration data and the living body data from the first communication device and the second communication device (12, 562) and outputting the first acceleration data and the living body data; a calculation processing device attachable to the operator that compares postures of the operator and the object-to-be-operated based on the first acceleration data and the second acceleration data and analyzes a state of the object-to-be-operated based on the living body data; and a user interface attachable to the operator, which enables operation of the animal operation analysis system (100, 200, 300, 400, 550, 500, 600) by the operator and inspection of an analysis result due to the calculation processing device, wherein the second acceleration sensor, the third communication device, the calculation processing device, and the user interface are mounted in an identical first operation terminal configured attachable to the operator. a first acceleration sensor configured attachable to an animal which is an object-to-be-operated operated by an operator, the first acceleration sensor measuring acceleration of the object-to-be-operated and outputting first acceleration data; a living body sensor (513, 561) configured attachable to the object-to-be-operated, the living body sensor (513, 561) measuring living body information of the object-to-be-operated and outputting living body data; a second acceleration sensor configured attachable to the operator, the second acceleration sensor measuring acceleration of the operator and outputting second acceleration data; a first communication device configured attachable to the object-to-be-operated, the first communication device being inputted with the first acceleration data from the first acceleration sensor and transmitting the first acceleration data; a second communication device (12, 562) configured attachable to the object-to-be-operated, the second communication device (12, 562) being inputted with the living body data from the living body sensor (513, 561) and transmitting the living body data; a third communication device configured attachable to the operator, the third communication device receiving the first acceleration data and the living body data from the first communication device and the second communication device (12, 562) and outputting the first acceleration data and the living body data; a calculation processing device attachable to the operator that compares postures of the operator and the object-to-be-operated based on the first acceleration data and the second acceleration data and analyzes a state of the object-to-be-operated based on the living body data; and a user interface attachable to the operator, which enables operation of the animal operation analysis system (100, 200, 300, 400, 550, 500, 600) by the operator and inspection of an analysis result due to the calculation processing device, wherein the second acceleration sensor, the third communication device, the calculation processing device, and the user interface are mounted in an identical first operation terminal configured attachable to the operator.