After eating desiccant by mistake, if chemical reaction occurs between desiccant and liquid in the mouth to produce heat, it will easily cause burns to the throat, trachea, esophagus and even gastrointestinal tract, and there will be irritating pain in the throat or esophagus, and if burns occur in the airway, there will be irritating cough and coughing sputum, and even induce edema in the airway, and there will be shortness of breath and difficulty in breathing. In addition, after desiccant enters the gastrointestinal tract, it will cause certain stimulation to the gastrointestinal tract, and gastrointestinal symptoms such as abdominal distension, abdominal pain, nausea, vomiting or diarrhea will appear.