1 Methods All nurseling under 3 years were examined with color Doppler high frequency ultrasound.

2 The conception , general situation and prospects of rice nurseling seedling - scattering was analyzed.

3 Rickets was defined as the guideline of "Prevention and Treatment of Rickets in Nurseling " by the State Ministry of Health in 1996.

4 OBJECTIVE To explore the clinical effect of Medilac-Vita with Smecta treating diarrhea of nurseling.

5 The optimum cutting density should be flolowedwith the change of the prices of cutting wood and cutting nurseling.

6 Objective To investigate the prevalence rate of congenital hydronephrosis in 5067 nurseling under 3 years.