Object To improve the accuracy of weight measuring and report the children's nutritional status correctly,and use the standardized measuring method to reduce estimation error of clothing's weight. Method The standardized reference table was established by measuring the weight of children's common clothing and diaper,according to the standardized reference table to deduct the weight of clothing and diaper,the comparison of the results was analyzed. 【Result】 According to empirical estimation method,there were significantly difference on the same child's weight of among different testers(P<0.05).However,using the standardized measuring method,the results from different testers were not significantly different (P>0.05).Moreover,while one nurse using two methods to measure the same child's weight,the difference among reasons were significant (P<0.05). Conclusion Standardized weight measuring method can reduce the weight measurement error,and worth being widely used in clinic.