Abstract:The study introduces one case of acute nephritis in the Garfield cat,which exhibited symptoms such as reduced abdominal circumference,sensitivity and pain in the kidney area,arched back when standing,frequent urination,but with small amounts each time.The study introduces the basic information of this case,including general clinical examination,Xray,B ultrasound,and laboratory examination,and provides a comprehensive analysis of the result,so that we can exclude any other possible disease and eventually the cat was diagnosed with acute nephritis and doubtedly associated with pancreatitis.With rational drug use and the principle of protection of the kidney and diuresis,we take active treatment,including immunosuppression,eliminate inflammation,infection control,diuretic therapy and symptomatic treatment,and the cat recovered in ten days.Finally,the study discusses the etiology,diagnosis,and treatment process of this disease,and put forward some practical suggestions on the effective treatment and clinical medication.In conclusion,it is hoped that it will be helpful for animals with acute nephritis.