Hall of mental cultivation or hall of mental cultivation. The place where the prince and princess are cared for and trained provides the environment and facilities needed for children's education, training and daily life. It is a part of the palace, and it is called hall of mental cultivation or Yangqin Hall. The Forbidden City belongs to the place where the emperor, his empresses and children lived. China Palace has experienced Xianyang Palace and Epang Palace in Qin Dynasty, Weiyang Palace and Changle Palace in Western Han Dynasty, Nangong Palace and Gong Bei Palace in Eastern Han Dynasty, Jiankang Palace in Six Dynasties, Daxing Palace and Weizicheng in Sui Dynasty, Daming Palace and Shangyang Palace in Tang Dynasty, Song Palace, Yuan Palace and Nanjing Palace in Ming Dynasty and Jing Palace in Ming and Qing Dynasties.