Convinced that no matter what kind of setbacks and difficulties they encounter, they have a home to return to, a lamp for themselves, a love has been waiting, and they have the grasp of being loved at any time, which is the greatest source of courage, confidence and strength for a child to constantly explore the world and achieve self-realization. As the British psychologist Winnicott said: "Children must confirm that they can go home at any time before they can move forward with peace of mind." ”