Capsules stuck in the esophagus are generally not dangerous if they can be softened and dissolved to enter the stomach. If the capsule is stuck in the esophagus for a long time, it may cause damage to the esophagus and requires prompt medical treatment. Capsules are large in size and have a certain degree of stickiness after being moistened with water, making them easy to get stuck in the esophagus. Generally through drinking water, moderate amount of food can help the capsule slide into the stomach. If the above methods can not be resolved, and the capsule stuck in the esophagus for a long time, may cause damage to the mucosa of the esophagus, need to be promptly removed through endoscopy or endoscopic surgery. When taking capsule drugs, you can help the capsule to enter the stomach smoothly by drinking a moderate amount of warm water, tilting the head down slightly to do the swallowing action, etc., so as not to cause the situation of being stuck in the esophagus. If the capsule is stuck in the esophagus for a long time and cannot be relieved, it is recommended to consult a doctor in time to avoid adverse effects.