Introduction to the theater: The theater is the main building of the Guangdong Guild Hall. It uses the patio of the courtyard to enclose the closed space. It uses two 21-meter-long parallel beams in the north-south direction and a 19-meter-long frontal beam in the east-west direction to form a large span. space. Its painted and wood carving decorations are unique in style, integrating northern and southern techniques. It is a rare traditional Chinese classical theater in the country.