Cala lily, dieffenbachia, giant zebra, dripping Guanyin, spider plant, rubber tree, cactus, clivia, asparagus, African jasmine, monstera, pothos, etc. can be kept indoors. Spider plants can perform photosynthesis under weak light. Spider plants can absorb toxic and harmful gases in the air. One pot of spider plants is equivalent to an air purifier in a room of 8 to 10 square meters. Generally, 1 to 2 pots of spider plants are kept in the room. It can release oxygen 24 hours a day, while absorbing formaldehyde, styrene, carbon monoxide, carbon dioxide and other carcinogens in the air. Chlorophytum has a particularly strong ability to absorb certain harmful substances.