Why didn't Li Hao's family come?

Busy family. According to the query of Iqiyi app, in Farming, all family and friends came to visit the class, and only Jiang Dunhao and Li Hao didn't come because they were busy. Chen, Li Hao, et al. 10 teenagers were invited to form a farm group to sow, irrigate, fertilize and harvest in 190 days on 8 farmland and 142 mu of land, witnessing the whole process of winter wheat from seed to maturity, and realizing the true meaning of "food is the most important thing for the people".