A beehive includes a base, an upper cover and a box unit. The box body unit is arranged between the base and the upper cover, and includes a main surrounding wall, a top connecting frame and a bottom connecting frame. The main surrounding wall has a wall top edge and a wall bottom edge respectively located on the upper and lower sides. The top connecting frame has a top frame lower engaging portion that engages with the top edge of the wall. The bottom connecting frame has an upper engaging portion of the bottom frame that is engaged with the bottom edge of the wall.一種蜂箱，包含一底座、一上蓋及一箱體單元。該箱體單元設於該底座與該上蓋之間，並包括一主圍繞壁、一頂連接框及一底連接框。該主圍繞壁具有分別位於上下兩側的一壁頂緣及一壁底緣。該頂連接框具有一與該壁頂緣相卡合的頂框下卡合部。該底連接框具有一與該壁底緣相卡合的底框上卡合部。
