The spiked bamboo groves surrounding the courtyard house on all sides and the pond at the front, with the addition of a temple guarding the entrance on the right, work together to form a natural "security system."
合院四周密植的刺竹林和前方大水池，加上右邊入口處為保衛五方土地安靖而奉祠的「眾爺廟」，形成一個天然的「保全系統」。