This report is the explanation of intoxication and poisoning. The explanation is composed of the series of next 5 parts. A.Basic notion B.Historical episodes C. Backgrounds of the patients D. Medical examinations and treatments E. Some usual and characteristic materials of toxic accident. In first report A and B were explained. A include next matters: (1)What is the intoxication or poisoning? ; (2)What is the definition? ; (3)How to judge the intoxication patients? ; (4)All materials have both aspects of poison and medicine. B include some episodes: (1)Some ancient episodes due to hemp plants; (2)Decision way to decide guilt or guiltless at ancient time; (3)Use of poison for murder and animal hunting; (4)Cleopatra and viper; Belladonna and ...