If you feel dryness in your nasal passages for a long time, it proves that there is something wrong with your nasal mucosa and you should go to the hospital for a checkup. Below is a list of dietary precautions for nasal dryness and crusting. Nasal cavity dry and crusted patients should eat food rich in various types of vitamins; should eat light, easy to digest food; avoid cold food; avoid spicy stimulating food; avoid salty cold things. Foods to eat fungus: fungus has the effect of nourishing the liver and kidneys, love the effect of deficiency heat, can alleviate the symptoms. Sesame: Sesame has the effect of clearing heat and benefiting the kidneys, nourishing yin and replenishing the deficiency. Celery root: celery root has the effect of clearing heat and fire, nourishing and tonifying the deficiency. Avoid food Cold drinks: Cold drinks will stimulate the mucous membrane of the nose, so that the condition is not easy to get better. Hot pepper: it has an irritating effect on the upper respiratory tract, can cause inflammatory changes, make the nasal mucous membrane congestion aggravated, but also will make the headache, nasal congestion symptoms aggravated. Salted vegetables: salted vegetables are cold, after eating, it will make the mucous membrane contraction of the lesion area, aggravate the symptoms of nasal congestion and throat discomfort.