Outdoor backpack

The invention provides an outdoor backpack which can be used in summer and makes people feel cool. The outdoor backpack consists of a backpack body and straps, a heat sink is arranged on the face which fits the back of a human body of the backpack body, and the heat sink is connected to a solar panel power source and controlled by a switch. The multifunctional backpack has a storage function and also has the following functions that airflow is delivered to people by arranging the heat sink and can take away the heat of the back of the human body, so that a backpacker feels cool, and sweating is reduced; an added solar panel can provide clean energy for the heat sink and absorb the heat energy radiated in the backpack body to reduce the temperature of the backpack. 种户外背包本，发明提供了种夏天使用、感觉凉爽的背包，由包体和背带组成，在包体贴合人体背部的面设置散热器，散热器连接太阳能电池板电源并由开关控制。本多功能背包除了具有储物功能外，还具有以下功能：增设的散热器装置能为人输送气流，气流能带走人体背部热量，使背包的人感觉凉爽，减少出汗；增设的太阳能电池板，能为散热装置提供清洁能源,同时吸收了辐射在包体的热能，可降低背包温度。