Binding chest is harmful to the chest, especially for women in the growth period, which can affect breast and chest development and function. It is recommended that you do not bundle your breasts as much as possible to avoid adverse consequences, if there is local pain, nipple inversion, poor breathing and other symptoms should promptly seek medical treatment. The main hazards of chest binding are the following: 1, affect the development and function of the breast: for growing women, prolonged chest binding will affect the local blood circulation, resulting in chest pain, and also cause breast dysplasia. For adult women, the corset can lead to long-term pressure on the breast fiber tissue and ducts, which can easily lead to nipple invagination, causing bacteria and secretions to gather and induce infection, which can seriously affect the lactation function. In addition, long-term chronic pressure, local stimulation and other diseases that can easily lead to mastocytosis; 2, affect the development and function of the thorax: growth period of women with bone development, the thorax can continue to increase, long-term chest can lead to the development of the thorax is blocked. Adult women for a long time can lead to thoracic compression, affecting the expansion of the thorax, and the heart and lungs in the thorax pressure, which affects the heart and lung function, and even cause chest tightness, shortness of breath, breathing problems and other symptoms; 3, other: for lactating women, if long-term chest, easy to intensify the occlusion of the mammary ducts, resulting in the occurrence of milk stagnation and even mastitis. It is recommended that women wear appropriate underwear, so that the natural development of the chest, do not girdle the chest, so as not to produce adverse effects on the body. Daily massage can be appropriate for the chest to promote local blood circulation, which is beneficial to chest health.