Abstract: Analyses of the composition of mineral elements in carcepace and muscle were carried out in one-year old (weight: 100-125g), two-year old (weight: 220-225g) and three-year old (weight: 450-480g)Chinese soft-shelled turtles (Trionyx sinensis). In muscle and carcepace of turtle there are more than 22 kinds of mineral elementS.There are rich trace mineral elements of important physiological functions,such as selenium, zinc and iron. The content of selenium. zinc and iron in the muscle of the turtle is 0.539, 3.32 and 26.7 respectively and in carcepace 1.495. 8.12 and 8.8 respectively. (unit: milligram per 100 gram sample). On the basis of analysis and comparison, the nutrition value and special medical value of the Chinese soft-shelled turtle are confirmed and the theoretical grounds to develop coordinating diet of the Chinese soft-shelled turtle are provided in this paper.