"Mini Air Cooling Fan" people should not be facing the wind, blowing straight, easy to invade the body, especially in frail or sweating, it is best to let a fan blow in one corner. Children, the elderly, frail people, more preferably less fan blowing, but it can regulate indoor air fans, thereby indirectly cooling. When the wind should not open too much sleep, during sleep, the body slows down circulation of people, but this time the body is most vulnerable when facing the body of excessive wind blowing, the body can cause extremely suited emergence of human weakness symptoms occur in severe cold.