1, the specialty of organic chemistry is very difficult and the competition is too fierce.

2, a high professional ranking will inevitably increase the difficulty of postgraduate entrance examination. Zhejiang Province, referred to as "Zhejiang" for short, is a provincial administrative region of People's Republic of China (PRC), with Hangzhou as its capital, located in the southeast coast of China and the south wing of the Yangtze River Delta. It borders the East China Sea in the east, Shanghai and Jiangsu in the north, Fujian in the south and Anhui and Jiangxi in the west.