In Ethiopia, there are a lot of national and regional parks and the objective is to conserve wild animals and plants on site. Botanical gardens are essential to the study and preservation of plant biodiversity, both in situ and ex situ. Botanical gardens are vitally essential establishments that protect the environment from ever-increasing environmental concerns, provide recreational possibilities, educate the public about environmental issues, and carry out a variety of conservation and research projects. Their goal is to preserve collections of live plants with documentation for use in scientific study, preservation, exhibition, and teaching. Botanical gardens engage in a wide range of scientific endeavors, including the study of seeds, taxonomy, systematics, genetics, biotechnology, propagation, horticulture, public education, restoration ecology, and many other subjects. The functions of parks and botanical gardens include; scientific research, natural science, Reduction of Wind and Water Loss, shelter for Fish, Wild Habitat, Noise, Pollution Control, and Serving as a Buffer Zone.