The consumption of vitamin D by mothers, a decrease in the risk of childhood asthma, and enhanced responsiveness to steroids in specific situations. The objective of our study is to further examine this correlation by analysing the levels of vitamin D in the blood serum of children who have asthma. Aim and Objective: The main goal is to evaluate the levels of serum vitamin D in children with asthma and establish a connection between these levels and the severity of the disease. Methods: This was a cross-sectional study involving 100 children, with 40 of them being asthmatics and 60 being age- and sex-matched controls. Informed consent was obtained from all participants. Detailed medical histories were collected, clinical examinations were conducted, and asthma diaries were implemented for follow-up assessments. Results: Our research indicates a significant pattern: children who have asthma showed greater severity of the disease when they had a lack of vitamin D. Conclusion: The study analysis demonstrates the presence of a significant link of vitamin D concentration and wheeze intensity. People with vitamin D deficiency were of higher prevalence of moderate degree of chronic bronchial asthma. The conclusion brings to the fore varied degrees of treatment efficiency according to the levels of vitamin D in children suffering from asthma. This emphasizes the importance of further investigations in this area as a move towards developing efficient administration strategies and also better management outcomes