Abstract: The feeding and management technology, lamb conservation and lamb weaning technology of pregnant ewe of Ordos fine wool sheep were introduced. According to using and application of above technologies, not only the daily gain of lamb was improved, but also the mortality rate of lamb and unqualified rate of Ordos fine wool sheep decreased greatly. Meanwhile the reproductive rate of Ordos fine wool sheep ewe was improved so that the production level of Ordos fine wool sheep industry and the reproduction of Ordos fine wool sheep were ensured. The growth and reproduction of Ordos fine wool sheep was to show phenotypic traits of genetic gene accurately so as to improve breeding and lay basis for development of Ordos fine wool sheep.