The invention discloses an arrangement method of a graphitized cathode laboratory. The laboratory is a two-storey building and is divided into three functional zones which are a sampling zone (1), a test zone (2) and a detection zone (3) respectively, a corridor (4) is arranged in the middle; the sampling zone (1) is arranged on the first floor, the test zone (2) is adjacent to the sampling zone (1), mechanical and physical property detection units of the detection zone (3) are arranged on the first floor, a composition analysis unit of the detection zone (3) is arranged on the second floor, and a cooling water pool (6) is arranged next to an external wall outdoors. The arrangement method of the graphitized cathode laboratory can help well coordinate and assist production of graphitized cathodes and provides the laboratory with analysis and detection functions in cooperation with the production of the graphitized cathodes and provides the laboratory with the function of being capable of performing small-scale process tests and researches of the graphitized cathodes in cooperation with the production. Meanwhile, the method avoids repeated arrangement of analysis detection devices and sampling devices of the two parts, reducing investment and improving availability of the devices and efficiency of coordinated work.