Multifunctional mountaineering suit

The utility model discloses a multifunctional mountaineering suit. The mountaineering suit comprises a mountaineering bag and a mountaineering suit body used in cooperation with the mountaineering bag. A water storage cavity is formed in the backpack main body; the mountaineering suit comprises a mountaineering suit body and a heat exchange flow channel located in the mountaineering suit body. Theheat exchange flow channel is provided with a water inlet and a water return port; the water inlet is connected with the water outlet; the water return port is connected with a backflow port of the water storage cavity through a hose; a semiconductor refrigeration assembly is also arranged in the knapsack main body; the cold end of the semiconductor refrigeration assembly is tightly attached to the side wall of the water storage cavity. Compared with the prior art, the mountaineering bag has the advantages that the refrigeration performance is realized; the mountaineering suit has the advantages that the mountaineeri