李时珍ppt.ppt

1、,李时珍 Li Shizhen(1518- 1593),Contents,1. Life story 2. His works 3. His contribution 4. His medical thoughts,1.Life story (1) his born,LiShizhen was a great medical and pharmaceutical(制药） expert. He was born in the reign of Emperor Zhengde of the Ming Dynasty (1518) in Qichun, Hubei Province.,(2)His

2、childhood,He was born in a family of doctors. Both of his grandfather and father were local prominent （突出的）doctors. In his childhood, he liked to read various Chinese medicine books and ofen went out with his father and elder brothers to treat patients.,(3)Why did he become a doctor,In his youth, Li

3、 Shizhen suffered from frequent illnesses and this generated in him a personal interest in becoming a doctor After his three failures in the imperial examination, he was determined not to pursue official ranks. He started to concentrate on medical study and medical practice.,Because of his diligence

4、 and intensive study, his medical skill improved rapidly. During his practice, he cured many disputed and difficult diseases and quickly established his fame. Later he was granted a post in the Imperial Hospital in the capital.,2.His works,(1)Compendium of Materia Medica,a great collection of tradit

5、ional chinese herbal medicine.it is called “the Great Pharmacopoeia in the East”.（东方大药典）,(2)Li shizhen also produced 11 other books on medical subjects,of which only 3 have survived to the present. 奇经八脉考濒湖脉学五脏图论 his work on pulse diagnosis(Pinghu Maixue, 1564 A.D.) is most highly regarded.,3.His con

6、tribution- Compendium of Materia Medica,(1)Reason to write the book,Chinese Materia Medica was a record of traditional Chinese medicine. During Lis study and practice, he found many mistakes in the old Chinese Materia Medica and the compiling way was confused. So he made up his mind to compile a com

7、plete, accurate and new Chinese Materia Medica.,(2)Process of finishing the work,In order to collect the necessary information, he traveled widely(Hunan, Jiangsu, and Anhui) He asked experts in each area of interest, finding person who worked daily with field plants.,On the basis of the old Chinese

8、Materia Medica, he corrected the mistakes, reorganized the classification, collected the samples, drew the pictures, added a large quantity of new contents and systemized the traditional Chinese medicine knowledge before the 16th century.,He was collecting herbs,He inquired herbs to farmers along th

9、e way,It took him nearly 30 years and finally ended in 1578 with the name Compendium of Materia Medica,Compendium of Materia Medica,The text is written in almost 2 million Chinese characters, classified into 16 divisions and 60 orders. For every herb there are entries on names, detailed description

10、of appearance and odor, nature, medical function, effects and side recipes etc.,(1)contents,It presented a huge number of diverse materials: 1,892 medicinal substances (1,094 from plants; 444 from animals, and 275 from mineral sources), including 374 new items.,Compendium of Materia Medica covered t

11、opics in biology, chemistry, geography, geology, history and so on. The text lists all the animals, plants and other objects which were believed to contain medicinal properties.,(2)Influence,The text is regarded as the most complete and comprehensive medical books ever written in the history of trad

12、itional Chinese medicine. Its clear classification made an great influence on the traditional Chinese medical practice and development in the following years.,On the beginning of the 17th century, this work was introduced to Japan, and then to Korea and European countries and translated into many la

13、nguages .It is not only a traditional Chinese pharmacopoeia, but also a book which categorized plants and minerals in detail in early times in the world. Therefore, it has tremendous influence in the world.,4.His medical thought,百病必先治其本，后治其标。 少饮则和气行血；痛饮则伤神耗血 。 饮食者,人之命脉。 精能生气，气能生神，则精气又生神之本也，保精以储气，储气以养神，此长生之要耳 。 爽口物多终作疾。,Honorific,Li is the great scientists of the 16th c