The height and weight measurement of Tik Tok e-commerce anchor refers to waist circumference, hip circumference and chest circumference. A person's weight itself does not determine his fatness. Three-dimensional figure is an absolute index, so "three-dimensional data" should be introduced to judge whether the figure fits. Waist circumference index = (waist circumference/height) * 100, hip circumference index = (hip circumference/height) * 100, chest circumference index = (chest circumference/height) * 100.