First, choose a humidifier: when the season changes, the indoor air is relatively dry, so you can choose a humidifier. In the form of water vapor, the indoor air becomes humid. Reduce the incidence of respiratory diseases.
Second, put a pot of water indoors, put a pot of water indoors, or keep some goldfish in the fish tank. You can put a basin indoors, choose a bigger fish and raise a few goldfish, which is both beautiful and can play the role of "humidifier".
Third, send some green plants indoors. You can put some green plants indoors, which can not only release oxygen, but also make you sleep well. It can also keep the humidity of the air. Such as green radish, copper grass, rose chlorophytum and so on.