The present invention provides a recovery control system that allows a dosing valve to recover from a malfunction to a normal state or a liquid feed line through which urea solution is fed to recover from clogging to a normal state. A recovery control system for allowing a dosing valve 104 to recover from a malfunction to a normal state has abnormality detection means of detecting an abnormality of the dosing valve 104 and recovery control means of controlling a supply module 106 to feed urea solution in the dosing valve 104 back to a urea tank 105 when the abnormality detection means detects an abnormality of the dosing valve 104.
