This creation provides a kind of nest door component of beekeeping case, and with one beekeeping case of what, which includes: a main body, has one first side and a second side, first side and the second side are non-conterminous; The what main body is arranged in one grade of king hole, and close to first side; The what main body is arranged in plural honeybee manhole appendix, and second side of the horizontally arranged what main body respectively; And an at least fixed part, the what main body is set; Wherein, the nest door component is by the fixed what beekeeping case of fixation portions. By above-mentioned design, the nest door component of this creation is enable to have both the function of preventing queen bee from escaping, and the function of preventing other insects from entering beekeeping case.本創作提供一種養蜂箱之巢門組件,用於一養蜂箱,該巢門組件包含:一主體,其具有一第一側與一第二側,該第一側與該第二側不相鄰;一檔王孔,其設置於該主體,並靠近該第一側;複數蜜蜂進出孔,其設置於該主體,並分別水平排列於該主體的第二側;及至少一固定部,其係設置於該主體;其中,該巢門組件藉由上述固定部固定於該養蜂箱。藉由上述設計,使本創作之巢門組件能兼具阻止蜂王逃亡的功能,以及防止其他昆蟲進入養蜂箱的功能。