小儿体重以实际测量最为可靠,但在实际工作中,尤其在门诊,对病儿体重要迅速作出估计,才能开方用药,所以,采用公式计算,也实属必要。1953年以来出版的国内、外部分儿科资料和我国高等医药院校试用教材《儿科学》,都记载着对一岁以内小儿体重计算公式:……出生后1～6个月的体重(克)等于出生时的体重(克)+月龄×600;生后7～12 In order to get the most reliable body weight in actual measurement, in actual work, especially in outpatient setting, it is necessary to estimate the importance of the sick and infants rapidly before prescription can be prescribed. Therefore, it is necessary to use formula calculation. Since 1953, both domestic and foreign pediatrics data and the pedagogy “Pediatrics” published in China and other parts of the country have recorded the formula for calculating body weight in children under one year old: ... body weight (g) after 1 ~ 6 months after birth, Equal to the weight at birth (g) + month old × 600; after birth 7 to 12