[Study on weight units of chinese medicine in Sui and Tang dynasties].

Although there were changes in measuring system of Sui dynasty, the measuring units of medicine, astronomy and music still remained unchanged. So there appeared two systems of measuring units. For medicine, the government of Tang dynasty followed the regulations of Sui dynasty in measuring system. Besides this, the measuring units of Qian and Fen also were also related to medicine.

[Study on measuring units of Chinese medicine in Wei Jin and Southern and Northern Dynasties].

There were some changes for the measuring units of medicine in Wei, Jin and Southern and Northern dynasty. The measuring units of length showed decreased usage in medicine measuring, while increased usage of weight units. Weight unit was also used for measuring medicines that had been measured by imitate unit or assessed unit. Besides, some special measuring units for medicine appeared in this period of time.

[Outline study on production place of Chinese medicine in Han dynasty].

The administrative area of Han dynasty was basically divided into 13 states. There were very little records about the place of medicine production in literatures. This article tried to outline the basic feature of region of medicine production from the available books of , , and .

[Study on measuring units of Chinese medicine in Song dynasties].

The original changes of the weight measuring unit of medicine in the Song dynasties was the appearance of Dengzi (small steelyard for weighing money). The "larger scale" and "smaller scale" were unified. The measuring unit "qian" was widely used, and furthermore "Cheng" and "zi" were used as measuring units related to medicine.

[Study on volume and length units of Chinese medicine in song dynasties].

In the Song dynasties, the irregular measuring units were seldom used in medicine and length units were no longer used in medicine. The volume units changed from "ancient ones" to "modern ones". There were necessary regulations on the conversion of measuring units of medicine in medical books officially published. Doctor Chenyan made detailed investigations to ancient measuring units.

[Study on other measuring units of Chinese medicine in Sui and Tang dynasties].

Besides the changes in weight measuring units, the other units also changed. "Larger and smaller liter" affected traditional Chinese medicine. Length measuring units was little used, and the irregular measuring units such as imitate units, quantity units, and assessing units remained in some extent. Because the regular measuring units gradually replaced the irregular ones, some doctors made investigates to the conversion of these measuring units.