Hello! There is no harm, on the contrary, it can have the effect of purifying the air. Peacock Tail Flower (Peacock Arrowroot): The formaldehyde removal effect is half that of Chlorophytum, but much higher than that of ordinary plants. In addition, it is also a master at removing ammonia pollution in the air (it can remove formaldehyde within 10 square meters) 0.86mg, ammonia 2.19mg).