Because each district is located,the countryman is resided in the environment is different, also be to have distinguishing feature each, want to say today, it is to one kind when city of Longyan of coastal Fujian Province always decides an area is located in southeast our country China peculiar civilian house always decides earthy floor. Always going surely is a county, already was an area of Longyan city now, it is the countryside of an earthy floor, mutual ground floor many 23000. Fujian ground floor is the world go up unique magical and a mountainous area civilian house building, produce Yu Songyuan, at the beginning of Qing Dynasty of popular Yuming end. Fujian ground floor as it is said Cong Mingchong auspiciouses year break ground lays a foundation, to Qing Kangxi year a complete, last a period of time 3 generation half century, its scope is vast, modelling is peculiar, can calls China the one branch strange flower on building history. If you are to see for the first time, go in discovery to resemble labyrinthian, look down at from inside sky, resemble a big worry that appears on the ground again, unusual shock, ever was regarded as a foreign matter by the foreigner. Earthy floor is in those days the Hakkas person of ground of guest house different, for oneself live and adjust measures to local conditions builds the civilian house that rise. A few the likelihood has inside building characteristic or about a hundred room, living family a few acting people, but come in and go out from mouth of a gate completely. Of form of earthy floor in the right way, have a circle, have quinquangular, octagonal, day glyph, return a variety of form such as the glyph, always mix with round building especially surely be in the majority quadrately. According to statistic, always have round building surely 360, square building many 10000. Always deciding, have the building dimensions is the oldest land building among Fujian ground floor Wang Chengqi building, 2010, cheng Qilou is selected the world Jinisi is the biggest earthy floor record. Cheng Qilou is built at Qing Kangxi 1709, entire building diameter 73 meters, entire building is one center 3 rounds, outer lane 4, every set 72 rooms; The 2nd 2, every set 40 rooms; The 3rd for monolayer, set 32 rooms, the center is ancestor hall, entire building adds up to 400 rooms, period of at the height of power and splendour has lived 800 much people, resemble a small town. Nowadays always decide earthy floor, what have hundred years mostly is long, be faced with year long disrepair, some is tumbledown already, always decide the Hakkas person to only a few is return oldly can defend in old curtilage in, the youth builds a house, already chose single house mostly. Walk into earthy floor interior, do not see the exterior look and do not have how old, but the establishment everything needed is ready such as cowhouse of the well inside the building, kitchen, storage, bedroom, pig, toilet. Live in a few below same housetop hundreds of people to be the same as inside earthy floor ancestor of the same clan is the same as consanguineous with familial, live in all portal, in all hall hall, in all stair, in all court, in all the harmonious life of well. "Everybody a group of things with common features, small society " , all previous classics hundred years harships, earthy floor does not fall, person of the Hakkas ancestors is adherence the home that looks not capacious in this, get along well, also created the model that Chinese neighborhood harmony gets along.