A crop harvesting system comprising: a moving apparatus configured to be movable in a harvesting operation area, the harvesting operation area being an area in which a harvesting operation takes place; a harvesting apparatus mounted on the moving apparatus and automatically harvesting a harvesting object by making contact with a crop, the crop being a harvesting object; a disinfecting apparatus having a function of disinfecting at least a disinfection target part of the harvesting apparatus, the disinfection target part being brought into contact with the harvesting object; a disinfection necessity judgment processing portion configured to perform a disinfection necessity judgment process of judging whether disinfection to the disinfection target part is necessary; a disinfecting operation processing portion configured to, when it is judged in the disinfection necessity judgment process that the disinfection is necessary, perform a disinfecting operation of disinfecting the disinfection target part by driving at least one of the harvesting apparatus and the disinfecting apparatus; a location information obtaining apparatus configured to obtain location information of a present location of the moving apparatus; and a present location estimating processing apparatus configured to perform a present location estimating process of estimating the present location of the moving apparatus with reference to the location information obtained by the location information obtaining apparatus, wherein the disinfection necessity judgment process includes a process of judging that the disinfecting operation by the disinfecting apparatus is necessary when it is judged that the harvesting apparatus is going to start the harvesting operation, with reference to the present location of the moving apparatus, the present location being estimated in the present location estimating process, and the disinfecting operation processing portion performs the disinfecting operation before the harvesting apparatus performs the harvesting operation. a moving apparatus configured to be movable in a harvesting operation area, the harvesting operation area being an area in which a harvesting operation takes place; a harvesting apparatus mounted on the moving apparatus and automatically harvesting a harvesting object by making contact with a crop, the crop being a harvesting object; a disinfecting apparatus having a function of disinfecting at least a disinfection target part of the harvesting apparatus, the disinfection target part being brought into contact with the harvesting object; a disinfection necessity judgment processing portion configured to perform a disinfection necessity judgment process of judging whether disinfection to the disinfection target part is necessary; a disinfecting operation processing portion configured to, when it is judged in the disinfection necessity judgment process that the disinfection is necessary, perform a disinfecting operation of disinfecting the disinfection target part by driving at least one of the harvesting apparatus and the disinfecting apparatus; a location information obtaining apparatus configured to obtain location information of a present location of the moving apparatus; and a present location estimating processing apparatus configured to perform a present location estimating process of estimating the present location of the moving apparatus with reference to the location information obtained by the location information obtaining apparatus, wherein the disinfection necessity judgment process includes a process of judging that the disinfecting operation by the disinfecting apparatus is necessary when it is judged that the harvesting apparatus is going to start the harvesting operation, with reference to the present location of the moving apparatus, the present location being estimated in the present location estimating process, and the disinfecting operation processing portion performs the disinfecting operation before the harvesting apparatus performs the harvesting operation.