Abstract: The dry root of Stellaria dichotoma var. lanceolata，named Yinchaihu in Chinese， is a geo-authentic crude drug distributed in Ningxia. As a traditional Chinese medicine with effects on clearing deficient heat and eliminating fever in infantile malnu， it has been clinically used to treating Yin deficiency fever， consumptive fever and infantile chancre fever.In this paper， the latest research achievements of Stellaria dichotoma var. lanceolata. in recent years were systematically reviewed in terms of biological characteristics of basic plants， main chemical constituents and pharmacological effects of medicinal materials. The aims are to provide theoretical and practical basis for the rational development and utilization resources of Stellaria dichotoma var. lanceolata in Ningxia.