This experimental park actually includes two experimental parts: one is to conduct human marital-free society experiments to see what the monogamous marriage system, which has been provoked by social consciousness and social practices for thousands of years, is constantly being challenged by social consciousness and social practice such as homosexuality, extramarital affairs, etc., what will happen in society? Is this marriage system still alive? The second is to test a new architectural theory, natural cycle in the building theory. This theory requires that a building should be a complete natural cycle system, which has its own three waste treatment and part of the energy supply function; the main goal is to reduce the pollution of the natural environment by human habitation and facilitate human life.