Macau Mercy Hall was founded in 1569. The existing buildings were built in the middle of the 18th century. The elevation lines were very concise at first. At the end of the 19th century, according to the new classical expression, the existing archway was built. So far, the appearance has remained basically unchanged. The benevolence hall is located in the front of the city hall. It is a brick building. Because of the two-storey coupon gallery, it attracts people's attention by giving it a new classical coat. Apart from the granite pillar base, the whole building is painted white, so even if the elevation decoration line is rich, it still gives people a quiet and elegant feeling. Especially at the beginning of the Chinese lantern, the white buildings are more beautiful in the light.