Long-term humidity is harmful to the body, including aggravating moisture, damaging the respiratory tract, and damaging the skin. It is recommended to keep ventilation, the appropriate use of desiccant and other substances or air conditioning dehumidification function, high humidity weather should be closed doors and windows, in order to help reduce the degree of humidity in the room. Long-term living on the first floor of the common harmful effects on the body are as follows: 1, aggravated dampness: from the point of view of traditional Chinese medicine, a long time living in a humid environment can lead to increased dampness in the body, easy to trigger edema, obesity, yellow face, unshaped stool, sticky mouth and other symptoms, but also increase the possibility of arthritis, frozen shoulder, cervical spondylosis and rheumatic diseases. In addition, excessive dampness in the body can also affect the circulation of blood, easily lead to limb weakness, fatigue, lethargy, etc.; 2, damage to the respiratory tract: humid environment prone to breeding mold, mold spores may exist in the air, especially in infants and the elderly with low resistance, long-term breathing this air prone to respiratory diseases and lung lesions; 3, damage to the skin: long-term in a humid environment, prone to increase the disease of skin diseases Possible, such as eczema, allergic urticaria, dermatitis, nodular itchy rash, etc.; 4, other harmful effects: the humid environment is easy to breed bacteria, food is prone to deterioration, after consumption, easy to trigger nausea, vomiting, abdominal pain, diarrhea and other gastrointestinal reactions, serious cases can also cause poisoning, long-term this may even increase the risk of cancer.