With the rise of food therapy, chickens can produce various types of preserved eggs by changing feed ingredients, feeding special medicines, trace elements, controlling drinking water, and water quality. Several egg production technologies are introduced as follows, for the support of chicken farmers. First, high-zinc eggs: Add 1% zinc salt to the chicken feed. The eggs produced after 20 days of feeding are high-zinc eggs. More than 15 times more zinc than regular eggs. Second, the high iodine eggs: Add 4% to 6% of the chicken feed in chicken feed chickens, and even feed for 7 days, the eggs produced are high iodine eggs. This egg contains 15-30 times more iodine than regular eggs. Third, the trace element eggs: Add 0.4% trace elements in the feed, the eggs produced by the chicken contains more zinc, iron, iodine trace elements. 4. Low-cholesterol eggs: In chicken diets, corn, soybean meal, and distiller's grains are mainly supplemented with essential Vitamins and minerals. The chickens drink neutral water, and the eggs produced are low-cholesterol eggs. It was determined that the cholesterol content was 55% lower than normal eggs, and the sodium content was 25% lower. Fifth, selenium eggs: Add 1% inorganic selenium salt in the feed, the eggs produced are selenium eggs, higher selenium content. 6. Fish oil eggs: About 5% of fish oil is added to the chicken feed. The feed does not add cake, so that the fat content in the eggs changes with the fish oil. The eggs produced are fish oil eggs. VII. Herbal Eggs: The traditional Chinese medicines such as Tuchangshan, turmeric, and turmeric should be powdered and mixed into the feed to feed chickens at 2%. The egg produced is a low-calorie, high-protein healthy therapeutic herbal egg. Eight, pepper eggs: with 1% of pepper and a small amount of lotus root starch, vegetable oil added to the feed fed chicken, the eggs produced are chili eggs. Rich in radish and Vitamin C.