For knowledge of amino acids content in health foods, the Liquid Chromatograph was applyed to detect the essential amino acids in 128 samples of nutritional health foods of Guangdong Province. It was concluded that the spirulina platensis 4g, chicken extract 50mL or amino acids oral rehydration 20mL intaked daily coulk supply seperately 25,25,8.5 percents of required essential amino acids per person.These health foods were recommended to patients and population in health-related condition as additional nutrients supplyment. Author's address Tan Xiaoqiu, Institute of Food Safety Control and Inspection of Guangdong Province, 510300, PRC.