Pregnant women belong to a special medication group, so after allergic rhinitis occurs, non-pharmaceutical treatment is the main way, mainly including away from allergens, saline rinse nasal cavity, etc. If the above measures are not effective, drug treatment can be carried out under the guidance of a doctor. 1, away from allergens: pregnant women with allergic rhinitis should first leave the allergenic environment, avoid contact with allergens, such as pets, dust mites, etc., in the pollen season should minimize going out, must go out should be well protected, can wear a good isolation mask, can also use pollen blocker, also has a certain effect; 2, physiological saline rinse nasal cavity: for the less severe symptoms, such as only mild nasal congestion or a small amount of nasal, can be Use saline to rinse the nasal cavity to clean up nasal secretions and improve the ventilation and drainage of the nasal cavity. In severe cases of nasal congestion, hypertonic saline rinses can be used to help relieve swelling of the nasal mucosa and effectively improve symptoms. However, due to the influence of hormones, the nasal mucosa of pregnant women is in a congested state, and improper rinsing can easily cause nasal bleeding; 3, medication: if the above methods are not effective, and the pregnant woman has passed the early stage of pregnancy, i.e. the first three months, she can use anti-allergy medication as prescribed by the doctor, such as loratadine, budesonide, etc., which are relatively safe to use during pregnancy and generally do not affect the growth and development of the fetus, and usually have no teratogenic risk.