Adults accidentally swallowed glass slag whether there is a danger depends on the size of the glass slag, sharpness and so on. Glass slag is not easy to be digested by stomach acid, if accidentally swallowed similar to the powder and so on the smaller, not sharp glass slag generally will not produce greater damage to the organism, this time the glass slag may be discharged with feces, this kind of situation is not too fatal danger. However, if the accidental ingestion of larger, sharper glass slag, it may scratch the esophagus, gastric mucosa, intestines and other parts, resulting in gastrointestinal bleeding, or even perforation, such cases are more dangerous. In such cases, it is more dangerous. In case of accidental ingestion of glass slag, it is recommended to go to the hospital if there is any discomfort.