The present invention relates to a composition for accelerating recovery of immunity which has been damaged by environmental stress comprising temperature change in shrimps, which comprises an effective amount of water extract ofGracilaria.本發明係關於一種加速蝦子因包括溫度改變之環境緊迫而受損之免疫力的復原之組合物,其包括有效量之龍鬚菜之水萃取物。