Weight loss: The purpose of weight loss is to reduce the body's excessive fat and weight.

Fitness: The purpose of fitness is to improve various functions of the body and relieve stress.

Second, the indicators are different.

Weight loss: Weight loss indicators include body mass index and body mass index.

Fitness: Fitness indicators include shape indicators, respiratory and circulatory function indicators and quality indicators, among which shape indicators include girth indicators, fullness indicators and body composition indicators.

Third, the methods are different.

Lose weight: The methods of losing weight include physical exercise, lifestyle change, medication and surgery.

Fitness: Besides exercise, there are many ways to keep fit, such as writing, singing, doing housework and practicing yoga.

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