Abstract • Background: Emotional and behavioral problems assessment of allergic disease in early childhood are useful for the holistic management and early recognition of possible disorders .This study aimed to assess emotional and behavioural problems among children with allergic diseases. Research design : Across- sectional research design was carried out in this study. Setting: The present study was conducted at allergy and immunology unit outpatient clinics at Zagazig University Hospitals and four schools at Abu Kabir Center, Sharqia Governorate, Egypt. Subjects: A matching sample of 87 parents of children with allergic diseases and 87 parents of normal children aged 5-16 years. Tool: Three tools were used for collecting the necessary data. The first tool was a structured interview questionnaire. The second tool was pediatric symptom checklist-35.The third tool was the child behavioural checklist (CBCL). Results: The total mean score and standard deviation of emotional and behavioural problems in children with allergic diseases was 135.62±26.01 compared to 114.81±23.80^ for children in the control group .The difference was highly statistically significant ( P=<0.001). The total mean scores and standard deviation of psychosocial problems in children with allergic diseases was 58.73±9.37 compared to 51.98±10.41 in the control group with highly statistically significant difference ( P =<0.001). Conclusion: Children with allergic diseases were more vulnerable to emotional and behavioural problems than non-allergic children. Recommendation: Promoting early screening and diagnosis of these issues to provide timely support and intervention program for children. Encouraging collaboration between allergists, pediatricians, psychologists, and mental health professionals to provide comprehensive care plan that include management strategies for both the allergic disease and its psychological impact.