Sinusitis is divided into diseases such as maxillary sinusitis, sieve sinusitis, frontal sinusitis and butterfly sinusitis, each disease in the head pain location is different, clinically there are mainly the following analysis: 1, maxillary sinusitis is mainly manifested in the lower part of the orbit, cheek pain, if it is odontogenic maxillary sinusitis, patients will appear the first molar, second molar pain; 2, if it is sieve sinusitis then patients will appear the inner canthus area or nasal root In the case of frontal sinusitis, the patient may experience pain in the forehead; 4. In the case of pterygoid sinusitis, the patient may experience pain in the deep part of the eye, the top of the head or the back of the head in the occipital area. The location of the sinusitis pain can be roughly based on the location of the sinusitis to determine where the sinusitis occurs, which has some reference significance, but many times patients can have multiple sinus inflammations at the same time, so the location of the headache may cross or overlap.