Bad breath is a relatively common situation, many people will encounter bad breath in life, once the appearance of bad breath will seriously affect our life and work, so what are the causes of bad breath? The causes of halitosis: 1, bad eating habits lead to long-term halitosis If you often eat too greasy and spicy at dinner more heavy, a variety of stimulating seasonings more, and if often such eating habits lead to halitosis is a great probability of halitosis. 2, constipation habits lead to long-term halitosis Long-term constipation, the body inside a large amount of a buildup of garbage and toxins, have not been a good discharge, so this time is very easy to cause bad breath. Constipation can lead to intestinal heat, and intestinal heat will cause blood in the stool or hemorrhoids, intestinal heat is more likely to become the cause of bad breath. 3, oral problems lead to long-term bad breath oral problems of bad breath is of orogenic halitosis, most of them are due to, oral internal lesions, ah, for example, and there are a lot of bacteria produced in the mouth, and these after all, they will emit a variety of ** taste will also lead to long-term bad breath. 4, digestive system leads to long-term bad breath gastrointestinal disease: there is bad breath does not necessarily have gastric disease, but long-term old gastric disease is not only bad breath in the future is a great chance of getting gastric ugh, if there is a problem with the digestive system, he will also react in the mouth, the digestive system is the body’s chemical plant, usually must pay attention to go more maintenance of their gastrointestinal, try to eat less cold or more stimulating food. 5, gastrointestinal heart and liver fire leads to long-term halitosis Chinese medicine on bad breath will be designated as fire or heat, many people will start to eat their own fire to clear things, the fire is actually divided into two kinds of virtual reality. A friendly reminder that bad breath varies from person to person, do not use drugs indiscriminately, you need to use drugs under the guidance of a professional physician. If it is a deficiency fire should be flat deficiency in the first to go after the odor, if it is real. Clear the fire and go to the bad breath synchronization, heat and real, wet, deficiency heat three kinds of points. 6, lung problems lead to long-term bad breath bad breath in men will have a higher chance of occurrence, is because most men will have smoking and drinking habits. Smoking population 80 have bad breath. When the lungs have problems will lead to exhale the gas are fishy. 7, stay up late for a long time leading to long-term bad breath Long-term stay up late, bad habits, will also be easy to lead to long-term bad breath. Staying up late for a long time is prone to spleen and stomach deficiency cold leading to long-term bad breath.