In order to encourage the inmates to practice filial piety in a timely manner, the prison will hold a Mother's Day Thanksgiving Card Design Competition this month to strengthen the family connection of the inmates and promote the importance of filial piety. A total of 14 inmates participated in this competition. The ingenuity of the inmates themselves showed their gratitude to their mothers. Each work had its own characteristics. After being rated by the jury, Xiaoshe won the first place.