A pet house structure includes a main body, an illumination module and a support unit. The main body has an annular wall body including two distal ends, a pet passage and an assembling window provided on the distal ends, respectively. The annular wall body further includes at least one ventilation hole. The illumination module has a light unit which is appropriately assembled in the assembling window. The support unit is provided under the annular wall body and in the proximity of the pet passage. In use, the support unit is applied to firmly position the annular wall body at a predetermined position where the assembling window near located.一種寵物屋構造包含一主體、一照明模組及一支撐單元,而該主體具有一環牆體、一寵物通道口及一組裝窗口,且該寵物通道口及該組裝窗口分別設置於該環牆體之兩端。該環牆體具有至少一通風口,而該照明模組具有一燈具,且將該燈具適當組裝於該組裝窗口。將該支撐單元設置於該環牆體之下方,而將該支撐單元設置在鄰近該寵物通道口之位置。在使用上,該支撐單元用以支撐該環牆體於一預定設置位置上,而該環牆體鄰近該組裝窗口的一端抵靠該預定設置位置,如此該環牆體穩固地放置於該預定設置位置上。1‧‧‧主體11‧‧‧環牆體111‧‧‧通風口12‧‧‧寵物通道口13‧‧‧組裝窗口14‧‧‧保護環2‧‧‧照明模組21‧‧‧燈具22‧‧‧電源線23‧‧‧電源插頭24‧‧‧電源開關3‧‧‧支撐單元31‧‧‧支撐體
