PERSIANS, ARABS IN T'ANG CHINA
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operation for Kao-tsung Tzu-chih t'ung-chien records this operation as follows:
In the eleventh moon of the first year of Hung-tao A, the Emperor had great difficulty in seeing because of a headache. The imperial doctor, Ch'in Ming-ho was summoned (to the Inner Palace) to diagnose the case. Ch'in indicated that the Emperor could be healed if he was allowed to needle (acupuncture) the Emperor's head in order to release the blood.
Ch'in was allowed to perform the operation and the Emperor was cured. Ch'in was a very skilful surgeon indeed. 38
In A.D. 741, a Nestorian Monk known as Ch'ung I also proved to be a good physician in the court. The medical knowledge of these foreigners improved the state of medicine in China and when they met Taoist physicians later, both schools worked very closely and discovered a new kind of medical knowledge which not only benefitted them but also all mankind.40
Li Hsin 李珣
In dealing with foreigners in T'ang China, whether in the field of medical, natural or humanistic science, Li Hsün can hardly be neglected.41 Li was originally from Persia and was the author of the famous Hai-yao pen-ts'ao
(Exotic Pharmacopaeia). Unfortunately, the book is now lost, and there is even uncertainty whether Li Hsun was in fact the author of this book. Fragments of Li Hsün's book have been preserved in the Chung-hsiu Cheng-ho ching-shih cheng-lei pei-yung pen-ts'ao, which is a revision, undertaken in A.D. 1249, of T'ang Shen-wei's Cheng-ho hsin-hsiu cheng-lei pei-yung pen-ts'ao (Materia Medica) of A.D. 1116. They are also preserved in Li Shih-chen's Pen-ts'ao kang-mu
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Li was a Ming scientist and died in A.D. 1593.
Whether Li Hsün is the author of the work mentioned is not for discussion here. P. Pelliot, Ch'en Pang-hsien, P. Huard and M. Wong all regarded Li as the author of this work, and as a Persian.42
Li Hsün was also a literary man of high standing. The compiler of Hua-chien chi had selected thirty-seven of Li's tz'u (lyrics) for this anthology. It is also recorded in Hua-chien chi that Li was also the author of Ch'iung-yao chi. Li Hsün's
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