OBJECTIVE:To study the preparation process and quality standard of ondansetron hydrochloride dispersible tablets  METHODS:The content of ondansetron in the dispersible tablets was determined by UV-spectrophotometry  RESULTS:The linear range was 4  0~16  5?g/ml,the average recovery was 99  97% with RSD of 0  35%  CONCLUSION:The preparation process of ondansetron hydrochloride dispersible tablets is simple and the quality of dispersible tablets is controllable