The invention discloses an oxidation-resistant anti-pinch door knob used for a security door. The problem that in the prior art, the surface of a door knob of a security door is liable to be oxidized is solved, the oxidation resistance of the security door is improved, and the accident that kids are stuck by the door knob is prevented. The oxidation-resistant anti-pinch door knob comprises a base and a knob body. The base is provided with a plurality of fixing holes. The knob body is of a closed annular structure and is connected with the base in a T shape. The horizontal section cutting plane of the knob body is in an S shape. The base and the surface of the knob body are coated with oxidation-resistant layers. The oxidation-resistant anti-pinch door knob has the characteristics of being convenient to mount, simple in structure, safe, environmentally friendly and the like, is suitable for the field of the hardware industry and manufacturing of standard components, and has wide market prospects.