For many people, if using the "Tiny Cooling Fan" improperly, can cause fans disease. The main symptoms are: headache, dizziness, lightheadedness, nausea, vomiting, fatigue, weakness, cold, stuffy nose, sore throat, sneezing, watery eyes, shoulder pain, arm can not be flattering, aches and joint pain, stiff neck and so on. Many of the above symptoms appear, "Tiny Cooling Fan" disease mainly due to the sudden cooling of the human body, the skin capillaries resulting contraction, blood pressure, blood occurs due to redistribution. Especially the high-end speed, the surface temperature plunged, too late to regulate body Wenzhong Shu, respiratory vasoconstriction, local defense function decline, viruses, bacteria take advantage of, upper respiratory tract infection; especially the joints poor blood circulation, "Tiny Cooling Fan"can lead to joint pain and stiff neck after wind.