When the human body for outdoor sports, at high altitudes is prone to chest dehydrated, because perspiration, respiration, urination and diarrhea can all lead to the loss of body water. In the alpine mountain, since the air is extremely dry, surface sweat evaporates quickly, through rapid mouth breathing movement to discharge large amounts of water, but are often not conscious, which appeared in the body dehydration (hypertonic dehydration) symptoms. For heat, cold and other diseases caused by acute mountain sickness and tent manufacturers to maintain a good fluid intake is very important control measures. Not only can reduce the chance of disease tent, while allowing the climber's overall physiological function greatly enhanced. Landslides, avalanches, flash floods risk of outdoor sports around the camp exists. Preferably with water tent camps near factories, convenient water. For we must consider not near fire firewood. Rain or rainy season tent styles, depending on the terrain conditions Note dug drainage ditches around the tent. Note tent wind wind fixed to determine the make and then break. Bedtime all valuables, clothing, food in the tent (tent if there is space), and ready self-defense tool. _927 Style tent Outdoor Sports Club (certification) _ Ltd. Nanjing tent provided by Nanjing nine hundred twenty-seven outdoor sports club. Nanjing nine hundred twenty-seven outdoor sports club Ltd. (www.yourjoycn.com/) is Nanjing, travel, outdoor leaders, over the years, the company is implementing the scientific management, innovation and development, the principle of honesty and trustworthiness, and satisfy customers needs. In nine hundred twenty-seven outdoor sports leadership with the staff warmly welcome all inquiries negotiations to create nine hundred twenty-seven outdoor sports better future.