The present invention is an adjustable support rod and ceiling structure of a pet stroller, comprising: a pet stroller body, an adjustable support rod set and an adjustable ceiling. The adjustable support rod set is respectively provided with a rotating shaft box on the inner side of the two side folding brackets of the pet stroller body. The front end of the rotating shaft box respectively extends obliquely upward to provide a ceiling supporting rod, and a front window is extended parallel to the front. Supporting rod, adjustable ceiling, covering the outside of the pet stroller body, and corresponding to the adjustable support rod group for adjusting the position of the ceiling support rod and the front window support rod to adjust the cover, front opening and full opening modes of the adjustable ceiling . As a result, the overall structure is more suitable for large pet dogs with large and inconvenient movements to enhance the convenience of pets and owners.本創作為一種寵物推車的可調式支撐桿及頂棚結構，包含：一寵物推車本體、一可調式支撐桿組以及一可調式頂棚。其中可調式支撐桿組是在寵物推車本體的二側收合支架的內側分別設有一轉軸盒，轉軸盒的前端分別朝斜上方延伸設有一頂棚支撐桿，及朝向前方平行延伸設有一前窗支撐桿，可調式頂棚，罩覆於寵物推車本體外側，並對應可調式支撐桿組，供調整該頂棚支撐桿及前窗支撐桿的位置來調整可調式頂棚的蓋合、前開及全開模式。藉此，整體結構更適合年紀大及行動不便的大型寵物犬，以提升寵物及飼主使用時的便利性。
