Calories are energy and are still widely used in nutrition measurement and fitness manuals. The international standard unit of energy is joule. Hormones are transliterated as hormones. It is a chemical information substance synthesized by highly differentiated endocrine cells and secreted directly into the blood, which plays an important role in regulating the metabolism, growth, development and reproduction of the body. It affects the physiological activities of human body by regulating the metabolic activities of various tissues and cells.