The utility model relates to a wax deposition device is prevented in oil recovery, its technical scheme is: including driving spring, wax removal unit, stop the ring, go up the commutator, oil pipe, commutator, sucker rod down, oil pipe's inside is equipped with the sucker rod, oil pipe's upper portion be equipped with the commutator, commutator under oil pipe's the sub-unit connection, the upper portion of sucker rod connect the wax removal unit, the wax removal unit includes step-by-step spring, even cutter body, reset spring, switching-over tooth, even step-by-step spring is connected at the both ends of cutter body, even the step-by-step spring buckle at cutter body both ends is on the sucker rod, even the driving spring is connected to the step-by-step spring on cutter body upper portion, even connects the switching-over tooth through reset spring on the cutter body, the unilateral movement of reset spring control switching-over tooth, the even company's of being equipped with cutter body edge of a knife on the outer wall of cutter body, the beneficial effects of the utility model are that: equipment is simple, has effectively solved the wax deposition problem that the oil recovery in-process produced, has improved oil recovery work efficiency, has improved the production efficiency of oil well, has improved oil recovery output.