During the period of feeding, add 50% to 60% of the amount of feed each time, and add the prescribed powder, and add fresh water after mixing two times. The amount of water should be rough and sticky on the surface of the pellets, or the fingers should be slightly wetted, and water should not be allowed to seep through. The poultry should be fully mixed and fed to make them feel hungry so as to ensure that they can eat all the drugs and ensure the full use and absorption of the drugs. After a few hours, feed non-medicated feeds. When convincing some drugs that are soluble in water, the drug can be dissolved in a small amount of water for the sick birds to drink, and other medicines can be used to drink without drinking water.