Chickens fed with feed containing probiotics have improved intestinal conditions, increased healthiness of the chickens, thus eliminating the use of hormones and antibiotics. Eggs from chickens fed with probiotic feed are healthier, with a better taste, and without the earthy taste of ordinary eggs. Probiotic eggs are rich in nutrients such as unsaturated fatty acids, glutathione DHA, lecithin, etc., among which niacin ≥2000ug/kg can lower blood lipids and effectively reduce cholesterol; folic acid ≥1100ug/kg can prevent anemia and digestive system diseases and promote brain development; the free lysine in amino acids can help better absorption and enhance immunity.