对183名学龄前独生子女作了营养调查.除磷、铁、VitB_1达到供给标准外,其它营养素皆低于供给标准.营养情况佳34.4%、良37.2%、差28.4%.营养性贫血患病率3～5岁28.5%,6～<7岁28.1%.佝偻病患病率0.5%、口角炎3.8%、舌炎1.1%.独生子女营养素摄取量不足及贫血等,与膳食品种和搭配、不科学的烹调法、甜食过多及偏食有关. Nutritional status of 183 pre-school singleton children was investigated, with the exception of phosphorus, iron and VitB 1, all the other nutrients were lower than the standard of supply, with nutrition 34.4%, good 37.2% and poor 28.4% 28.5% of patients aged 3 to 5, 28.1% of patients aged <7 years, rickets prevalence rate of 0.5%, angular cheilitis rate of 3.8%, glossitis 1.1% .The only child nutrient intake and anemia, etc., with the dietary varieties and with, not Scientific cookery, sweets and partial eclipse.