The invention provides an oxidation reduction medicament spraying mechanism which comprises a shell; a timer is installed in the shell; a display screen is installed at the lower part of one side of the shell; and a controller is installed on one side of the display screen; a groove is formed in the upper part of the other side of the shell and is movably provided with a medicine storage box in aclamping manner inside; an opening formed in the top of the medicine storage box forms an atomizing opening; the top of the atomizing opening is provided with an atomizing cylinder; the top of the atomizing cylinder is provided with a heating chamber; the top of the heating chamber is provided with an atomizing outlet; one side of the atomizing cylinder is provided with a medicine pump; the bottomof the medicine pump is connected with an inner cavity of the medicine storage box through a medicine pumping pipe; an outlet of the medicine pump is connected with the inner cavity of the atomizingcylinder; and one side of the atomizing cylinder is provided with a dosage sensor. According to the technical scheme of the invention, timing atomization can be performed through control of the timer,and a liquid medicine in the medicine storage box is pumped into the atomizing cylinder through the medicine pump and is sprayed out by the atomizing outlet after being atomized by the atomizing cylinder, so that oxidation reduction medicament spraying mechanism is reasonable in structure and good in using effect.