600 yuan a catty of pine nuts is real. Pine nuts are not only delicious snacks, but also of high value. Li Shizhen in the Ming Dynasty gave pine nuts a high evaluation in Compendium of Materia Medica. Because of the shortage of supply, pine nut buyers from all over the country began to snap up early. Although pine nuts were listed on a large scale in 10, traders lived in the mountains in August and waited for the pine nuts to be harvested, and the price of pine nuts soared all the way.