It is best to raise plants that can absorb carbon dioxide, optional: chlorophytum and cactus plants. Chlorophytum can remove indoor pollutants, such as formaldehyde and other chemical components, and play a role in purifying the air.

; Cactus is a tropical plant, which closes its stomata during the day and exchanges gas at night to release oxygen, unlike other green plants that compete with people for oxygen at night. .

The bedroom is suitable for placing some flowers and plants that absorb waste gas, such as potted citrus, butterfly fragrance, chlorophytum and zebra leaves. Leafy and water-loving plants such as green radish can keep indoor air humidity in an excellent state, while chlorophytum and goldfish can effectively absorb carbon dioxide.