Li Changhuan's team going abroad to plant Juncao. Due to the cultural differences in a foreign country, they made many jokes in their work and life. At the same time, the different geological climates and imperfect facilities also made the promotion of Juncao technology face many "difficulties". In order to make Juncao take root in the local area, Li Changhuan's team overcame many hardships, built mushroom sheds and other production facilities, invented dry rice technology, and helped the local people get on the road to prosperity.