It is mainly used for the qualitative detection of rotavirus nucleic acid in canine fecal samples to assist in the diagnosis of intestinal diseases such as diarrhea caused by canine rotavirus infection. When dogs show symptoms such as diarrhea, vomiting, and loss of appetite, the detection by this kit helps to clarify whether the cause of the disease is canine rotavirus infection, providing key evidence for clinical veterinarians to accurately judge the condition and formulate targeted treatment plans.