The eighth episode. Che Bao Four Brothers is an educational cartoon aimed at preschool education. In the eighth episode, Fengfeng and chenchen played with small trains and excavators, and there was a lot of rubbish on the road. Fengfeng and chenchen decided to help Grandpa Sanitation reduce the burden and drive together to clean up the garbage, which was well received by adults. "Four Brothers Car Treasure" animation attracts children with bright colors, bright rhythm and entertaining plot.