近年来,青春期性征发育的研究受到广泛关注[1],通常在身体内外因素的共同作用下,青春发动期各种事件按特定的模式进行,但初现的时间存在个体差异,与同年龄、同性别群体相比,可表现为提前、适时或推迟。这种青春发动期各种事件初现的时间称为青春发动时相(pubertal timing)[1]。青春发动时相提前趋势已被多篇报道证实,提示与肥胖有密切关系[2]。本文通过调查了解太原农村女生的青春发动 In recent years, the development of adolescent sexual characteristics has received widespread attention [1]. Usually, under the joint action of internal and external factors of the body, various incidents in adolescence launch according to a specific pattern, but there are individual differences in the time of emergence, , Compared to the same sex group, can be expressed in advance, timely or postponed. The beginning of the various events during this youthful period is called the pubertal timing [1]. Early development phase of youth has been confirmed by multiple reports, suggesting that there is a close relationship with obesity [2]. This paper investigates the youth motivation of rural girls in Taiyuan