Summer babies with runny noses and sneezing, no fever, good spirits, good appetite, then generally speaking, not particularly serious. However, if the spirit of depression, appetite decline is obvious then it may be more serious. Summer baby runny nose, sneezing, may be due to allergic rhinitis caused by allergies to house dust mites, pet hair and other substances, this situation parents need to clean up the indoor environment, reduce the baby and allergens contact, in addition to the use of mometasone furoate nasal spray and other medications as prescribed by the doctor, but also can be added to the sea saline nasal spray, dilute nasal secretions. However, the above symptoms may also be caused by viral or bacterial infections. If the baby’s symptoms worsen, or if there is depression, loss of appetite, fever, or other abnormal symptoms, then it may be more serious, and it is recommended to consult a doctor in a timely manner to improve the blood routine, sputum respiratory viral nucleic acid PCR and other tests to clarify the diagnosis, and follow the doctor’s instructions for treatment. If your baby has any of the above symptoms, it is recommended that you seek prompt medical attention for a definitive diagnosis and treatment. Parents can usually relieve the baby’s symptoms by organizing the baby’s living environment, avoiding contact with potentially allergic items, allowing the baby to rest more, replenishing fluids, and spraying the nose with sea salt water.