To study and research toxicology with the theory of nature dialectic

Toxicology is on the study of the toxic effects of toxicant and its mechanisms.The implication of natural dialectics has incarnated in many aspects of toxicology, such as recognition of the toxicant,toxic dosage, toxic reaction,toxicology research and innovation.Therefore, natural dialectics has universal significance in toxicology study and research. Key words: Nature dialectic;  Toxicology;  Methodology