Capsules are a familiar pharmaceutical dosage form. Empty capsules are cylindrical in shape and are mainly made of bone gelatin, which is made of bone energy, or pig skin gelatin, which is made of pig skin. Capsules are used to wrap the drug in addition to the following roles: 1, capsules can mask the bitter taste and odor of the drug, eliminating the unpleasant experience of the patient when taking. For example, the vast majority of antibiotics are bitter, of which chloramphenicol’s bitter taste can be said to be a household name, if this powder orally is difficult for most patients to bear. 2, some drugs are easily destroyed in the stomach or the stomach has a strong irritation, often made of enteric capsules to ensure that the capsule reaches the alkaline duodenum before dissolving. If this capsule is peeled off and swallowed, it will reduce or even lose the efficacy of the drug and increase the irritation of the stomach, or even cause gastric hemorrhage. 3, the capsule has a prescribed dose of drugs, easy to peel off the loss of powder, resulting in inaccurate dosage, not conducive to treatment. 4, some capsules are slow-release capsules, which must be swallowed intact to enable the drug to be released in a balanced dose and to play the best medicinal effect. If the capsule is stripped. Pour the drug out to serve, will destroy the slow-release properties of the capsule, can not achieve the purpose of slow-release. Visible, the capsule should not be peeled to take. If the patient to take capsule drugs have difficulties, general capsules can be peeled to take, but enteric amine capsule and slow-release capsule drugs, absolutely not peeled to take.