PROBLEM TO BE SOLVED: To provide a paddy work machine in which the reliability of operation of an actuator is secured when the paddy work machine is configured in such a way that the supply quantity of agricultural material can be changed (set) using the actuator.SOLUTION: The paddy work machine includes: a supply quantity changing device 24 for changing the supply quantity of agricultural materials to a paddy surface performed by an agricultural material supply device an actuator 53 for operating the supply quantity changing device 24 and a manual operation part 65 for operating the actuator 53 artificially. The actuator 53 and the manual operation part 65 are disposed in the vicinity of the supply quantity changing device 24. The paddy work machine further includes a cover 72 covering the supply quantity changing device 24, the actuator 53 and the manual operation part 65.
