Oral drugs are available in tablet, capsule, granule and other dosage forms. Mastering the correct method of taking various dosage forms of oral drugs can not only make the drugs play the maximum therapeutic role, but also avoid some adverse reactions. Ordinary tablets, eat at will. Warm water delivery, such as children or elderly patients, patients with swallowing difficulties, can be broken or crushed to take. Enteric tablets, take the whole tablet on an empty stomach. The whole tablet should be taken with warm water. It is not recommended to break, grind or chew it after taking. Capsules, whole tablets are recommended to be taken with warm water. Slow and controlled release preparations, mostly eaten whole. In general, slow and controlled release preparations must be taken whole (granules) with warm water, not broken, crushed or chewed after taking, but there are individual slow and controlled release preparations can be taken in divided doses, but not chewed or crushed, and should be used in strict accordance with the usage in the drug instructions. Oral effervescent tablets, dissolve and defoam to eat. Oral effervescent tablets should generally be soaked in 100-150mL of cool or lukewarm water, or stirred, and should be completely dissolved or the bubbles disappear before drinking. These drugs can only be soaked in water to be disintegrated completely after taking, remember not to take directly orally, otherwise the carbon dioxide generated by the disintegration of effervescent tablets in the mouth or digestive tract will make people suffocate and die. Oral tablets, contained in the oral cavity. Buccal tablets, oral mucosal patch. The drug is placed between the gum and gingival sulcus or is used to adhere to the mucous membrane in the case of oral ulcers. Sublingual tablets, sublingual. The medicine is placed under the tongue and is contained. Chewable tablets, chewed. Chew well in the mouth and then take with a small amount of water. Dispersible tablets, dispersed into water or can be taken directly with water. Coated tablets, sugar-coated tablets, eaten with skin. Generally, to cover the bad odor of the drug or excipients or to prevent the drug from deterioration by moisture or light, the drug will be made in the form of coating. It is recommended to take the whole tablet with warm water when taking these drugs, and other matters are the same as ordinary tablets. For granules, dissolve in warm water and stir until dissolved before drinking.