1. Methods 8624 cases of neonates infection after direct rooming-in management were retrospectively analyzed.

2. Objective To investigate status of sleep of rooming-in periods puerpera and its relative factors.

3. Objective: To raise iatric quality of rooming-in and reduce the death rate of the neonates.

4. The carter breast-feeding and the rooming-in for mother and her infant carryed out in the hospital raised breast feeding rate.

5. Objective To improve the nursing to the hearing serene of the neonatus in the direct rooming-in.

6. Objective To find out the advantages of large saphenous vein as the puncture site for venous retention when compared with other sites on caesarean section of direct rooming-in.