微量元素在人体中的重要作用,已引起国内外的广泛关注。微量元素是多种酶的组成成份,其含量的变化,必然会影响这些酶在体内的活性,进而导致机体内多种物质的代谢紊乱。头发作为人体代谢系统的组成部分,可以反映在头发生长期,人体由于内外环境的影响,所造成的体内有关成分的代谢情况和间接地反映其在体内含量的变化,所以以头发为 Trace elements in the human body has an important role, has attracted widespread attention at home and abroad. Trace elements are a variety of enzyme components, changes in its content, will inevitably affect the activity of these enzymes in the body, which led to the body’s metabolism of a variety of substances. Hair as an integral part of the body’s metabolic system can reflect the growth of the human body due to internal and external environment, the body caused by the metabolism of related components and indirectly reflect the changes in the content of the body, so the hair is