Nutritional value is almost the same, most of the fat of these two fish are unsaturated fatty acids, which can promote the intellectual development of adolescents, improve the intellectual decline of the elderly, yellow spice protein content is very high, calcium, phosphorus and vitamin E are very beneficial to the human body. Black waxfish is actually black snapper, containing collagen, this can improve the human metabolism, play spots, wrinkles, slow aging effect, but also can strengthen the spleen and stomach, benefit the liver and kidney, to play a deficiency of blood, through the blood of the efficacy of menstruation.