Eggs have a slightly higher cholesterol content compared to duck eggs. The water content of egg is 74.1%, the main nutrient is protein, accounting for 13.3%, followed by fat, accounting for 8.8%, of which cholesterol content is 585mg/100g. In terms of vitamins, the riboflavin content of egg is higher, which is 0.27mg/100g. In terms of minerals, the potassium content of egg is higher, which is 154mg/100g. The moisture content of duck eggs is 70.3% and the main nutrient is fat which accounts for 13%, of which cholesterol content is 565mg/100g. in terms of vitamins, the riboflavin content of duck eggs is higher and is 0.35mg/100g. in terms of minerals, the phosphorus content of duck eggs is higher and is 226mg/100g. The cholesterol content of eggs and duck eggs is similar, eggs are slightly higher, moderate consumption of eggs and duck eggs can supplement the nutrients needed by the body. Patients are advised to have a balanced diet because eggs and duck eggs have high cholesterol content, and patients with hyperlipidemia and coronary heart disease should eat as little as possible.