Drainage pipe fitting, garbage disposer with same and kitchen drainage structure

The utility model discloses a drainage pipe fitting, a garbage disposer with the drainage pipe fitting and a kitchen drainage structure. The drainage pipe fitting comprises a first straight pipe section, a bent pipe section which is bent and extends downwards along the first straight pipe section, and a second straight pipe section which is continuously arranged along the bent pipe section in an extending manner, the first straight-through pipe section is parallel to the second straight-through pipe section, the bent pipe section is provided with a first water inlet connector perpendicular tothe first straight-through pipe section, and/or the bent pipe section is provided with a second water inlet connector inclined to the second straight-through pipe. The first straight-through pipe section and the second straight-through pipe section of the drainage pipe fitting are arranged in parallel, so that the drainage pipe fitting can be installed on a kitchen sewage discharging pipeline arranged in the vertical dire