Methods 20 cases of test group and 20 cases of control group were assigned at random, with observation of the time of first flavor-meconium, with observation of the hour of sleep, the sleep quality, physiologic choloplania in 7 day which born.

• 方法对随机分为抚触组和对照组的40例早产儿进行第1次胎粪变黄时间、生后第7天睡眠时间、睡眠质量、生理性黄疸的经皮测黄的测评。