Anji ji yaofang “collected prescriptions of xxx” is a book on veterinary medicine compiled by an unknown author during the Tang period and transmitted as part (ch. 4 or 7) of the book Simu anji ji 司牧安驥集. The prescriptions in the book are divided into 25 categories according to the zang 臟 and fu 腑 organs concept and the classification of disease syndromes. The book lists a total of 145 prescriptions, some of which are still in use, even if some of the names have been changed. The book has a special class of prescriptions for sticking therapy as well as some external prescriptions which are not seen in other veterinary books.