Patients have a very yellow nasal discharge, which is caused by a cold, and the nasal discharge becomes yellow when it is infected by bacteria. The cold has a development process, the first is clear nasal discharge, with the development of the disease finally becomes yellow nasal discharge, it is recommended that must be actively anti-inflammatory symptomatic treatment. If the patient has sinusitis, there is a lot of yellow pus secretion accumulated inside the sinus, and yellow pus nasal discharge will be secreted after blowing the nose hard or applying mucus promoter. It is recommended that you must exercise more to strengthen your resistance and reduce the occurrence of the disease. If there is still a lot of yellow nasal discharge after symptomatic treatment, patients need to go to the hospital to take CT or nasal endoscopy of the nose to carefully observe whether there are other pathological conditions inside the patient’s nasal cavity to avoid but the patient’s condition can take vitamin C tablets appropriately in life to improve resistance.