Abstract: A clinical survey was conducted on 52 cases of canine urolithiasis in Hohhot collected from December 2013 to February 2017, and the constituents of urinary calculi were analyzed. The result showed that high incidence of urolithiasis was observed in dog breeds of Teddy, mastiff and schnauzer; 1- to 5-year-old dogs accounted for 65% of the incidence of urolithiasis; higher incidence of urolithiasis was observed in females （54%） than males （46%）; most of the calculi were found in bladder, accounting for 71% of the cases; phosphate, oxalate and urate accounted for 44%, 35% and 17% of the constituents of urinary calculi, respectively. The results obtained in this study provide clinical data for further understand of influencing factors associated with canine urolithiasis and their correlation, and provide references for the prevention and control of this disease in Hohhot.