The utility model provides a well head seals ware anti -pollution device, it includes the open body in upper and lower both ends, the body has the cavity cavity that is used for the polished rod to run through, be equipped with on the inner wall of body along the ring of cutting apart of radial inside extension, cut apart into the sump oil room on upper portion and the packing room of lower part through cutting apart the ring with the body, at least one draining hole has been seted up to the lateral wall lower extreme of sump oil room, the outside in draining hole has connect the plug soon, the indoor appearance and dress of packing has sealed packing and is located the sealing gland of sealed packing top, sealing gland has the perforating hole of counterpointing and setting up with the hole of cutting apart the ring, the perforating hole is linked together with the hole of cutting apart the ring and forms the passageway that is used for the polished rod to run through. The utility model provides a well head seals ware anti -pollution device through setting up sealing gland and sump oil room, has avoided excessive highly pressurised liquid to cause the pollution to all ring edge borders, has alleviateed staff's workload of decontaminating simultaneously greatly to the effectual well head seals ware anti -pollution device leakproofness that has promoted.