Recurrent pneumonia in 7-month-old babies may be caused by abnormal immune function, uncontrolled infection, etc. The cause of the disease needs to be actively identified, and can be treated by enhanced feeding, medication, and improvement of the living environment. 1. Abnormal immune function: 7-month-old babies with recurring pneumonia need to be wary of immune deficiency caused by nutritional deficiencies, which can be dealt with by strengthening feeding under the guidance of a doctor. 2. Uncontrolled infection: Some babies may have uncontrolled lung infections or insufficient medication, which can lead to recurrent episodes of pneumonia. In this case, you can consult a doctor in time, according to the last pneumonia, continue to be treated with medication. There are many clinical reasons for recurrent pneumonia in 7-month-old babies, some primary immunodeficiency diseases, or bronchial stenosis and other diseases can lead to similar situations, usually must pay attention to avoid going to crowded places, more rest, strengthen nutrition, pay attention to the room’s cleanliness and neatness, and do a good job of indoor ventilation, the treatment must be carried out under the guidance of the doctor, do not take medication without authorization.