The pigsty cannot be built directly, depending on whether the pigsty is a homestead or not. If so, you can cover it, otherwise it won't work. After the pigsty is removed and lost, the old soil in front of the pigsty should be thoroughly cleaned, and the new soil should be filled after disinfection. Some people think that from the perspective of geomantic omen, pigsty is not suitable for building houses, but there is nothing wrong with it, depending on how it is treated.