An injection needle including a body portion and a needle tip portion is provided. The body portion has an extending direction. The needle tip portion is connected to the body portion. A tube wall of the body portion has a plurality of openings. On a first projection plane perpendicular to the extending direction, the included angle between the lines connecting the plurality of openings to the center of the body portion is substantially less than or equal to 180 degree. A sample kit and a sampling processing apparatus are also provided.一種注射針，其包括本體部以及針尖部。本體部具有延伸方向。針尖部連接於本體部。本體部的管壁上具有多個開口。在垂直於延伸方向的第一投影面上，多個開口對本體部的中心的連線之間的夾角基本上小於或等於180∘。一種樣品套件及樣品處理裝置亦被提出。
