The most important thing is that it is a good idea to have a good idea of what to do. The actual price of negative pressure treatment for sinusitis is relatively cheap and can be accepted by most people. The negative pressure treatment for sinusitis also has certain disadvantages, some patients may be nervous when doing the operation if they are timid and have the characteristics of panic and fear. Some patients may sneeze, nasal irritation or even headache and some other related symptoms when doing it, and some patients may choke and cough and some other manifestations when doing the rinse.