Metabolic Regulation is a complex physiological function formed by organisms in response to changes in external conditions during long-term evolution. Through regulation, various substances and energy metabolism in the cell can be brought to a steady state, so that the organism can better utilize environmental conditions to complete complex life activities. As a core event of cells and organisms, it determines a series of key processes such as cell growth, differentiation, functional maintenance, immune response, activation of neurons and storage of memory, tissue and organ development.

Toxicology is a discipline that intersects with biology, chemistry, pharmacology, and medicine. It involves studying the toxic effects, severity, frequency, and toxic mechanisms of chemicals on organisms. It is also a toxic effect. The science of qualitative and quantitative evaluation. Toxicology is widely used in clinical medicine, pharmacy, environmental protection, zoology and food hygiene.