The Artemia cysts used in the experiment are sampled from the following 9 inland salt lakes of the People's Republic of China： Aibi Lake (AB),Balikun Lake (BLK), Dabancheng Lake (DBC) (Xinjiang Province). Gahai Lake(GH). Xiaocaidan Lake (XCD) (Qinghai Province). Huhetnolegainor Lake (HHT). Ejinor Lake (EJN) (Inner Mongolia), Xiechi Lake( YC) (Shanxi Province). The following characteristics of different Aremia strains are analyzed： (l)Biometrics： diameter of hydrolic cysts and decapsulated cysts. chorion. length of nauplii. dry weight of de-capsulated cysts and nauplii. weight loss during hatching. (2)Hatching characteristics： hatching percentage, hatching efficiency, hatching rate. (3)Nutrition analyse：protein content, fatty acid composition.Significant differences (P90 of all the strains.except BLK and HHT. is less than 24h.The protein and total lipid content of all the strains are within 45%-57% and 125. 68-177. 94 mg/g. respectively. The strains of GH.XCD and BLK have higher EPA (20 : 5ω3)strains from Inner Mogolia have the lowest EPA content. No DHA wasA present in all strains.