Food desiccant classification of different harm to the human body is different, accidental ingestion can cause damage to the mucous membrane of the human digestive tract. Mainly manifested as nausea and vomiting, acid reflux and other hazards. Food desiccant in daily life is mainly used to remove the moisture in the packaged food. Preventing food from moisture, preserving taste and other roles. Commonly used food desiccants are silica gel desiccant and calcium oxide desiccant. If it is silica gel desiccant, because its substance often can not be absorbed by the human gastrointestinal tract, generally will be discharged through the feces, there is no obvious harm to the human body, timely observation of the digestive tract reaction can be. If it is calcium oxide composition made of food desiccant, after accidental ingestion, the human body is easy to the esophagus and gastrointestinal tract mucosa damage, can cause nausea, vomiting, acid reflux and other symptoms. Should promptly consult a doctor, as soon as possible to induce vomiting and other treatments. If you are not careful, food desiccant into the eyes, will also cause damage to the conjunctiva, burning sensation and other hazards. Therefore, food desiccant should be kept away from infants and children, and should be consulted in time when it is accidentally eaten or gets into the eyes.