Body fat percentage, also known as body fat percentage, refers to the proportion of body fat in a person’s body weight. The level of body fat percentage can directly reflect the amount of fat content in the human body, and is an important indicator used to determine whether a person is obese or thin. Normal adult body fat percentage is between 15% and 18% for men and between 20% and 25% for women. A high body fat percentage can lead to obesity, which can cause high blood pressure, diabetes, fatty liver and many other diseases.