Duck egg is a common food with no medicinal value, no medicinal properties and effects, but it can supplement the body with fat, protein and other nutrients. Duck eggs contain more water, accounting for 70.3%, the main nutrient is fat, accounting for 13%, followed by protein, accounting for 12.6%. In terms of minerals, duck eggs contained more phosphorus at 226mg/100g, which ranked second among similar foods. In terms of vitamins, the content of riboflavin in duck eggs ranked high among similar foods at 0.35mg/100g. Moderate consumption of duck eggs can replenish some of the nutrients needed by the body, but one cannot rely solely on the consumption of duck eggs to maintain the daily activities of the organism. There are no research results showing that duck eggs have medicinal value, so there are no medicinal benefits and effects. Duck eggs have high cholesterol content of 565mg/100g, which cannot be consumed in excess, and patients with hypercholesterolemia, hypertension and other diseases should eat less or not eat. It is recommended that patients who are not feeling well go to a regular hospital in time, and follow the doctor’s instructions for symptomatic treatment.