Moderate consumption of hard-boiled hairy eggs is not harmful to the body. Hairy eggs are the unformed embryos of chickens during the incubation process of eggs. Hairy eggs contain protein, riboflavin, calcium, selenium and other nutrients, each 100g of hairy eggs contains 14.2g of protein, 0.65mg of riboflavin, 204mg of calcium, and 29.00μg of selenium, which can be very good for supplementing nutrients required by the human body. Hairy eggs are more susceptible to contamination by pathogenic microorganisms, if you eat the bacteria and parasites contaminated hairy eggs, not only will the nutritional value will be reduced, but also cause digestive discomfort phenomena, such as abdominal pain, diarrhea, nausea, vomiting, etc., and the more serious cases will lead to poisoning. Therefore, you should heat the eggs well to kill the disease-causing microorganisms. It is recommended to consume hairy eggs in moderation and choose clean and reliable stores to buy them to avoid damaging your health.