The invention relates yogurt containing fish oil, prepared by coupling low fat milk with white sugar, stabilizer, whey protein concentrate, fish oil, vitamin C palmitate, vitamin E and lecithin and carrying out strain fermentation. The yogurt containing fish oil comprises 700-900 kg of low fat milk, 50-90 kg of white sugar, 3-10 kg of stabilizer, 3-15 kg of whey protein concentrate, 0.1-5 kg of fish oil, 0.01-1 kg of vitamin C palmitate, 0.001-0.05 kg of vitamin E, 0.1-0.5 kg of lecithin, and 200-250 DCU of strains. The yogurt product containing fish oil of the present invention not only contains the ingredient of fish oil to generate the effect of reducing blood lipid, but also contains a plurality of nutritional ingredients from whey protein concentrate, vitamin C palmitate, vitamin E and lecithin etc., above all, because an antioxidation system and a stabilizer system are formed in the yogurt, the oil instability and the influence on the yogurt taste caused by adding fish oil are solved. Thereby the yogurt product containing fish oil of the present invention has the effect of reducing blood lipid and simultaneously has the taste and stability of common yogurt.