Introduction to the main hall of Longshan Temple: The building of Longshan Temple is divided into three parts. From the outside to the inside, they are the mountain gate, the middle gate, the stage, the worship pavilion, the main hall, the apse and the left and right corridors. The front hall includes Sanchuan Hall and Longhu Gate. It has five gates in total, so it is also called the "Five Gate Hall". There are "drum-holding stones" on the left and right sides of the middle door. The overall appearance is simple and clear, and the structure is simple.