The dryness of the nose is considered to be related to climate, environment, nutritional deficiencies, and may also be caused by other diseases. It is recommended to detach from the environment, pay attention to warmth, pay attention to nutritional supplements, but also for the primary disease treatment. 1. Climate, environmental pollution: often in the dry, windy, high temperature, cold environment and the air has dust, haze, toxic gases, resulting in dry nasal mucosa. It is recommended to get out of the environment in time and pay attention to water supplementation, which can help to improve. 2. Malnutrition: long-term partiality, picky eating, anorexia, resulting in insufficient intake of nutrients, insufficient secretion of the mucous membrane of the throat and nose, can also lead to dry nose. It is recommended to pay attention to nutritional supplementation, give all kinds of fresh vegetables and fruits, increase water intake, and give multivitamin tablets for supplementation, which can help to alleviate the problem. 4. Other diseases: Pathological factors, such as dry rhinitis, atrophic rhinitis may induce dry nose. Physiological seawater nasal spray can be given under the guidance of a doctor, with compound menthol nasal drops, cod liver oil nasal drops, liquid paraffin and other nasal points, to keep the nasal mucosa moist. Frequent symptoms of dry nose, you can go to the hospital ENT department for examination, first find the cause, and then standardize the use of drugs and treatment for the cause and symptoms.