Cold nose blockage, mainly due to infection leading to respiratory mucosal edema, resulting in nose blockage, can be relieved through life care, diet, medication, etc. Vasoconstrictor medication can quickly solve the symptoms of nasal congestion in acute and chronic rhinitis, but can not be used for more than 7 days, and can not be used for atrophic rhinitis and dry rhinitis. 1. Life care: apply hot compresses or breathe hot water vapor through the nose to promote blood circulation in the nasal mucosa and relieve nasal congestion. 2. Diet: pay attention to light diet, avoid spicy and stimulating oily food, drink more water, eat more fruits and vegetables, supplement vitamins, and take good warm measures to avoid the aggravation of cold symptoms. 3. Drugs: If the symptoms are serious, under the guidance of the doctor, you can apply Seroquel, furosemide nasal drops and other drugs to reduce nasal mucosal edema. Strictly according to the recommended dosage, continuous use should not exceed 7 days, if you need to continue to use, should consult a physician. Atrophic rhinitis and nasal dryness are prohibited. If the symptoms of cold and flu are serious, it is recommended to go to the hospital under the guidance of the doctor to use medication and treatment, pay attention to more rest, avoid overwork.