Manual winch is a lifting tool suitable for many places. Manual winch vehicle self-rescue can be carried out in harsh environments such as snow, swamp, desert, beach, muddy mountain road, etc., and other operations such as clearing obstacles, dragging articles, manual winch installation facilities may be carried out under other conditions, it is an indispensable safety device for military police, petroleum, hydrology, environmental protection, forestry, transportation, public security, border defense manual winch, fire fighting and other field sports.