Objective To analyse the nutritional compontents of Luidia quinaria Von Martens collected from the Yellow Sea,and to provide the theoretical bases for exploitation and utilization of its resource,.Methods The contents of total suger,crude fat and protein were determined by anthorone reagent,improved Soxhlet extraction and micro-Kjeldahl method,respectively.The analysis of fatty acid composition was determined by gas chromatography.Results The contents of total suger,reducing suger,crude fat and protein from Luidia quinaria Von Martens were 2.64%,1.68%,2.71% and 22.20%,respectively.Unsaturated fatty acid was rich in the Luidia quinaria Von Martens,especially EPA was 45% of the total(li-)pid,and chemical elements were rich.Conclusion Luidia quinaria Von Martens was rich in nutritional constituents and was worthy to be utilized.