A common clinical condition with headache and yellow nasal discharge is acute sinusitis. This is mostly secondary to upper respiratory tract infections, cold, low resistance and so on. Clinically, it is mostly seen in children, but also in the elderly and other people with low body resistance. The patient usually has yellow pus nasal discharge, and at the same time has the manifestation of nasal dyspnea, sneezing, itchy nose, etc. In general, the patient’s headache is mostly located in the face. Generally speaking, the headache is located in the cheeks, forehead, back of the head and other parts of the head, this situation blood test blood routine shows that white blood cells, neutrophils will be significantly elevated. Nasal endoscopy can see a large number of purulent secretions in the bilateral nasal passages, and sinus CT can see a large number of soft tissue shadows and other changes in the sinuses.