From the Huai'an Mansion Department, cross a road, you will arrive at the south gate of the Luyun Museum, and then transfer to the north gate. Not far away, from the north gate, the south gate, the lighting map of the exhibition hall is very clear, accompanied by the broadcast explanation, people at a glance. We visited very carefully and gained a lot of knowledge. The development of China's transportation provided convenience for the goods to and from that time. The upper management was very strict and meticulous, and it was worth learning by future generations.