an important plant in your country I think cactus is one of significant plants in my coutry. Firstly,from the perspective of fengshui, cactus can drive off evil. In our country , many people invite fengshui master to their home, let master correct the decorate of the house. If the position of the room is not benificial to owner and the view outside the window will bring forture to the family. They often put a cactus in front of the window. Secondly , cactus is a kind of medicine. I remember when I was 8 years old, I had mumps. A old traditional chinese doctor told my grandmother buy some cactus and remove the pricks. Then mashed those cactus and applied on my cheek. About 3 weeks, I restored to health. If people are bited by snake or scalded , they also can apply the mash of cactus. Additionally, cactus can be cook. It is used to treat cough.Eating cactus can clear away heat. Morever , compared with other plants, cultivating cactus is cmparatively easy.