The Forbidden City was founded in 1406 and completed in 1420, that is, Yongle, the ancestor of the Ming Dynasty, took 14 years to complete.

The Forbidden City was also called the Forbidden City in ancient times, and its construction was based on the Nanjing Forbidden City, which was the imperial palace of Ming and Qing Dynasties.

The Forbidden City was built in the Ming Dynasty. When we talk about the Forbidden City, we generally refer to the "Forbidden City in Beijing". Construction began in Yongle period of Ming Dynasty, which mainly inherited the architectural form of Nanjing Ming Palace Museum and was based on the Ming Palace Museum. It was not until the 18th year of Yongle that the Forbidden City in Beijing was completely completed.

It took more than fourteen years to build the Forbidden City in Beijing, which is much larger than the Ming Palace in Nanjing, the Taipei Palace in Taiwan Province Province and the Shenyang Palace in Liaoning Province. The Forbidden City in Beijing, also known as the Forbidden City, is mainly the palace where the emperors of the Ming and Qing Dynasties lived, and is now listed as a world cultural heritage.

Nanjing Ming Palace, also known as "Nanjing Forbidden City", is the royal palace in the Ming Dynasty. It was built in the Supreme Mindfulness of the Yuan Dynasty and completed in the Hongwu period of the Ming Dynasty.

The Palace Museum in Taiwan Province Province, also known as Sun Yat-sen Museum, was started on 1962 and completed on 1965. Shenyang Imperial Palace, also known as Shengjing Palace, was the imperial palace in China in the early Qing Dynasty. It was built in the tenth year of Qing Dynasty, namely 1625, and was completed in Chongde.