Seven-month-old babies normally do not snore, but if there is improper sleeping position, upper gastrointestinal infection, respiratory insufficiency or deformity, enlarged tonsils or adenoids may have this condition, parents should be alert. 1, improper sleeping position: improper sleeping position can lead to baby snoring, only occasionally, and no other discomfort, such as runny, drowsy, fever and other symptoms. The baby’s head can be set right, adjust the height of the pillow, lying flat or side sleep, etc.. Keep the respiratory tract clear, snoring can disappear; 2, upper respiratory tract infection: can be accompanied by nasal congestion, runny nose, fever and other symptoms, bacterial infections can be treated with antibiotic drugs as prescribed by the doctor. If the body temperature is above 38.5℃, use ibuprofen suspension to reduce fever as prescribed by the doctor, or use warm water to wipe at the sides of the neck, axillae, abdominal sulcus and other places with large arterial pulsation. In the case of febrile convulsions, anti-stunning medication is available, and in the case of rhinitis, saline nasal wash is available. 3. Infants can take oral syrup-type drugs under the guidance of a doctor to improve the symptoms of nasal congestion, after 10 years of age, if not self-healing, nasal endoscopic septum correction surgery can be performed; 4, congenital laryngeal cartilage hypoplasia: mostly due to calcium deficiency, or structural imperfections caused by snoring and other abnormalities, serious breathing difficulties can occur. Daily diet pay attention to calcium supplementation, sunshine, generally about two weeks old can be self-healing; 5, tonsil enlargement: such as acute tonsillitis, can have bilateral tonsil redness, purulent secretions, refusal to eat, fever, etc., resulting in poor breathing caused by snoring. Active anti-infection treatment is needed, antibiotics can be selected under the guidance of the doctor, alcohol wipe to reduce fever, and keep the mouth clean; 6, adenoid hypertrophy: the main symptom is nasal congestion, runny nose, which can lead to snoring and even secondary purulent otitis media, sleep can appear obstructive apnea. Surgical treatment is usually required, such as nasal endoscopic adenoidectomy under general anesthesia. Infants and children have three sleeping positions: supine, lateral and prone. It is best not to use the prone position, which is prone to suffocation, and it is recommended to alternate between lateral and supine, i.e., left-sided, right-sided and supine cross. However, it is best not to use the supine position immediately after breastfeeding, as it can easily cause vomiting and can cause otitis media along the cheeks and into the middle ear. After feeding, pick up the baby, make him lean upright on the parent’s shoulder and pat his back until he burps, then lie on his side.