1, Jian Zhen: Jian Zhen was born in 688 and died on June 6, 763.
2. Xuanzang: Xuanzang was born in 602 and died in 664.
Second, the origin is different.
1, Jian Zhen: Jian Zhen, born in Jiangyang, Guangling (now Yangzhou, Jiangsu).
2. Xuanzang: Xuanzang was born in Luoyang (now Yanshi Town, Henan Province).
Third, the achievements are different.
1, Jian Zhen: proficient in medicine, vigorously spreading Zhang Zhongjing's Treatise on Febrile Diseases, known as "the ancestor of Japanese traditional Chinese medicine"; He is also a famous calligrapher, bringing many original calligraphy works.
2. Xuanzang: Xuanzang has made great contributions to translation practice. In 645 AD, he began to translate 657 Sanskrit Buddhist scriptures he brought back from India. Until one month before his death, the translation work in the past 20 years never stopped, and Xuanzang's translation of a large number of Buddhist scriptures became an important book for Buddhism to spread in China.