Itchy nose due to cold is caused by viral infection leading to swelling of the nasal mucosa, which causes symptoms such as runny nose and sneezing. One should choose to take vitamin supplements and drugs that suppress gland secretion for symptomatic treatment. It is also recommended to drink plenty of hot water and maintain a suitable indoor temperature and humidity. Dietary considerations should include avoiding spicy foods like chili peppers, seafood, overly sour, cold, or spicy foods. During the acute phase, under the guidance of a doctor, one may choose to take vitamin C tablets, cetirizine hydrochloride dispersible tablets for symptomatic treatment. If accompanied by fever symptoms with a body temperature above 38 degrees Celsius, acetaminophen tablets can be taken for fever reduction. The main principle of treatment is symptomatic treatment, drinking plenty of water, and it may also be combined with antiviral medication therapy.