A work machine control system that is configured to control an actuator of a work machine having a boom , the work machine control system comprising: a signal processing unit that is configured to generate a signal related to a target operating amount of the actuator from an input signal; and a feedback control unit that is configured to control the actuator based on a difference between the signal related to the target operating amount and a signal related to a fed-back operating amount of the actuator ; characterized in that the work machine control system further comprises: a feed-forward control unit that is configured to control the actuator based on the signal related to the target operating amount in cooperation with the feedback control unit , and is configured to learn characteristics of the actuator by adjusting a weighting factor based on a teacher signal; and a calculation unit that is configured to calculate information related to a deflection of the work machine , wherein the signal processing unit is configured to correct intermediate information, which is generated in a process of generating the signal related to the target operating amount, based on the information related to the deflection obtained from the calculation unit , and is configured to generate the signal related to the target operating amount. a signal processing unit that is configured to generate a signal related to a target operating amount of the actuator from an input signal; and a feedback control unit that is configured to control the actuator based on a difference between the signal related to the target operating amount and a signal related to a fed-back operating amount of the actuator ; characterized in that the work machine control system further comprises: a feed-forward control unit that is configured to control the actuator based on the signal related to the target operating amount in cooperation with the feedback control unit , and is configured to learn characteristics of the actuator by adjusting a weighting factor based on a teacher signal; and a calculation unit that is configured to calculate information related to a deflection of the work machine , wherein the signal processing unit is configured to correct intermediate information, which is generated in a process of generating the signal related to the target operating amount, based on the information related to the deflection obtained from the calculation unit , and is configured to generate the signal related to the target operating amount. a feed-forward control unit that is configured to control the actuator based on the signal related to the target operating amount in cooperation with the feedback control unit , and is configured to learn characteristics of the actuator by adjusting a weighting factor based on a teacher signal; and a calculation unit that is configured to calculate information related to a deflection of the work machine , wherein the signal processing unit is configured to correct intermediate information, which is generated in a process of generating the signal related to the target operating amount, based on the information related to the deflection obtained from the calculation unit , and is configured to generate the signal related to the target operating amount. <EOS>