Dandelion for bad breath is false. Dandelion is a perennial herb with the effect of clearing away heat and removing toxins, subduing swellings and lumps, diuretic and diaphoretic (to improve the problem of dribbling in the urine and the problem of small amount of urine), and it can be used to treat acute mastitis, furuncles (a kind of skin disease, referring to the degree of serious furuncles), sores, colds and fevers, and urinary tract infections, etc, and it is usually not used for the treatment of halitosis. Bad breath is usually caused by diseases of the oral and periodontal system, such as gingivitis or periodontitis. There is a large amount of plaque in the oral cavity, which is prone to produce bacteria, anaerobic bacteria, etc., which can produce ammonia, sulfide and other odors in the periodontium, thus leading to bad breath. You should brush your teeth in time, do not eat spicy, greasy food, periodontal cleaning and care under the guidance of a doctor, and so on. Dandelion for bad breath is false. To treat bad breath, you can identify the cause of the disease and diagnose it in time under the advice of a doctor to avoid delaying the condition.