It is not unusual for a child to be passed from home to home just as Hsiao-li was. According to a survey carried out by Yu Han-yi, about 30 % of all foster families end up sending their foster children back where they came from.
小力的流轉經驗並非特例，根據台大社會系副教授余漢儀的調查，寄養家庭中有三成以上曾提早結束寄養提供。