Usually, chronic sinusitis pus nasal mucus turns into white mucus nasal mucus is a sign of improvement, which can be interpreted as a precursor of getting better. After systematic treatment of chronic sinusitis patients, if the color of yellow pus nasal mucus becomes white, it can generally indicate that the sinusitis infection is under control, but white nasal mucus does not mean that it has been cured. It is necessary to continue to receive treatment, which can be carried out under the guidance of a doctor to help recovery through the use of mucus-promoting drugs, nasal nasal spray hormones and saline rinsing of the nasal cavity. When the patient’s purulent nasal mucus changes from yellow to white, until the white nasal mucus also gradually disappears, and the nasal congestion and smell obstruction improves, it means that the disease has been basically cured. During the treatment period, patients should quit smoking and drinking, ensure sufficient rest and moderate physical exercise to help the disease recover as soon as possible.