Oil smoke filter

The utility model discloses an oil smoke filter which comprises an oil smoke cover and a range hood shell formed by a pipeline, and is characterized by further comprising an opening device arranged on the outer wall of the pipeline and a multi-layer filtering device arranged in the pipeline, an oil receiving groove is arranged below the filtering device, and a flattening mechanism is arranged above the filtering device; the opening device comprises a first handle with an upward opening, a second handle with a downward opening, a first groove inclining downwards and a second groove inclining upwards, clamping grooves are formed between the first handle and the filtering devices, and the flattening mechanism comprises a U-shaped frame attached to the inner wall of the filtering device on the uppermost layer and a pressing mechanism, and the other side of the concentric-square-shaped frame is attached to the U-shaped frame. In the utility model, as the filter devices are arranged in a separated multi-layer manne