The invention provides a Cairina moschata feed and application thereof in Cairina moschata breeding, and the Cairina moschata feed contains the following nutrients with specific content: apparent metabolic energy, crude protein, calcium and total phosphorus. The feed particularly includes: non-plant acid phosphorus, sodium, chlorine, lysine, methionine + cystine, threonine, tryptophan, isoleucine, arginine, vitamin A, vitamin D3, vitamin E, vitamin K3, vitamin B1, vitamin B2, nicotinic acid, pantothenic acid, vitamin B6, vitamin B12, biotin, folic acid, choline, copper, iron, manganese, zinc, selenium and iodine. According to the method, the Cairina moschatas in different production cycles are fed with feeds with different components and feeding modes, targeted feeding is achieved, the survival rate, the feed conversion ratio and various nutritional indexes of meat product varieties of the Cairina moschatas are obviously improved, the requirements of the market for high-quality Cairina moschata meat are met, and good production value and market prospects are achieved.