Air conditioning dizziness, nausea, vomiting, usually called air conditioning disease, refers to a person in the long-term air conditioning environment and dizziness, headache, loss of appetite, nausea, vomiting, accompanied by upper respiratory tract infections, joint pain and other clinical symptoms. Usually caused by the following reasons: 1, because of dry air, the presence of air conditioning makes the room temperature too low, which will make people feel uncomfortable around the body, gastrointestinal flu, resulting in nausea, vomiting, accompanied by dizziness. 2, microbial breeding, air conditioning room airtight, impermeable, poor air flow, so there will be bacteria, viruses and other pathogenic microorganisms proliferation, in this environment 3, the temperature is too cold, the temperature in the air-conditioned room is constant and too cold, so it will be easy to make the cold and risk invasion of the body and lead to dizziness, nausea, vomiting clinical symptoms.