Bronchitis is divided into acute bronchitis and chronic bronchitis, chronic bronchitis is now often replaced by the diagnosis of chronic obstructive pulmonary disease, acute bronchitis generally do not need to use inhalers, also known as sprays, only the combination of asthma, that is, an attack of croup or eosinophils are particularly high, you can be inhaled bronchodilators, such as albuterol, formoterol, and other short-acting β2 receptor stimulants or long-acting β 2receptor stimulants. If it is chronic bronchitis or chronic obstructive pulmonary disease, you can use anticholinergics, inhaled anticholinergics are more often used is tiotropium bromide, which is a long-acting anticholinergics, short-acting anticholinergics isopropyltropium bromide can be done by inhalation and nebulization, and if it is a combination of bronchial asthma, you can also use inhalation of hormones and long-lasting β2 receptor stimulants.