Sinusitis nebulization is a good adjuvant treatment for sinusitis treatment, it has very little harm, clinical summary may have the following hazards: the first, if the patient is applying Chinese preparations, such as ichthyosa or volatile Chinese medicine for nasal nebulization, if the patient has a local break in the nasal mucosa or fresh trauma, may cause discomfort in the nasal cavity, so in this case it is recommended to try to stop nebulization. The second, if the patient has breathing difficulties and other related performance, in the process of nebulization of the nasal cavity, may lead to breathing discomfort, it is recommended that when nebulization, the patient had better open his mouth, so as not to lead to the patient nebulized when there is no change of air performance. Thirdly, if the patient has nasal bleeding and so on, it is recommended not to take nebulization in this case. In conclusion, nasal nebulization is a very safe and effective treatment for sinusitis recovery, nebulization, the molecules of the drug can evenly reach the nasal mucosa, can play a very good role, the side effects are generally very small.