Weight lifting is a strength developing programme in which people lifts weights. There is two purpose of weight lifting. Firstly maintaining health and increasing strength. Secondly in competition with other people that who can lift the more weight. The sport name of weight lifting is power lifting. Many people believe that strength training, powerlifting, and competitive bodybuilding are same as weight lifting but this is not true. All are different things. 
Weight lifting is also very important for women. It can be as important as aerobic exercise for women. Weight lifting is one of the main sport of the Olympic games