If the egg has a smell besides blood smell, it may have gone bad. It's best not to eat any more at this time. Eggs are rich in protein, vitellin, vitamins, lecithin and other nutrients, which can provide rich nutrition for human body. However, eggs contain a lot of cholesterol, and long-term consumption in large quantities will increase the incidence of diseases such as atherosclerosis, so it is necessary to eat them in moderation.