The consequences of mercury poisoning mainly include: 1, short-term inhalation of large quantities of metallic mercury vapors within a constant hour after the onset of dizziness, headache, fatigue, low or moderate fever and other systemic symptoms, the serious cases may be agitated, restlessness, insomnia, finger tremors and even mental disorders or convulsions, coma and so on. 2, stomatitis and gastrointestinal symptoms manifested gingival erythema, aching, vesiculoblastoma, hemorrhage, ulceration of the oral mucosa, the loose teeth, salivation, fishy taste in the mouth, loss of appetite, nausea, vomiting, abdominal pain, diarrhea.3, allergic dermatitis: some patients inhale mercury vapor or skin large area after contact with mercury vapor, the skin can appear erythema or maculopapular rash, with a tendency to fusion, after detachment from the contact, symptomatic treatment, generally subside within 1 to 3 weeks.4, interstitial pneumonia: a few serious patients may have cough, chest pain, dyspnea, cyanosis Chest X-ray examination of lung texture increase. Chest X-ray examination of lung texture thickening, disorder and fuzzy shadow. 5, renal lesions: some patients may appear proteinuria, tubular urine and renal dysfunction, individual serious patients with acute renal failure.