8-year-old child dry cough during the day and not cough at night may be related to cough variant asthma, allergic cough and other factors, the treatment needs to strengthen the care, to clarify the cause of targeted treatment. The analysis is as follows: 1. Cough variant asthma: 8-year-old child daytime dry cough at night without coughing may be related to cough variant asthma, medication can take montelukast sodium and other medications, the more serious can be used to use albuterol, budesonide and other medications nebulized relief. 2. Allergic cough: may also lead to the baby dry cough during the day and not cough at night, can be under the guidance of the doctor oral loratadine, montelukast sodium and other medication, or the use of hormone nebulization relief. In addition to medication, life should pay attention to avoid contact with allergens, maintain indoor air circulation as well as cleanliness and hygiene, do not get cold. Eat a light diet, drink plenty of water, do not eat spicy stimulating food. 8-year-old child dry cough during the day and not cough at night may also have other reasons, it is recommended to go to the hospital in a timely manner, improve the examination to clarify the cause of the disease, to give targeted treatment or treatment.