Children are the world’s most valuable resources; children represent the wealth of the country. They are truly the foundation of our nation, hence the focus of every citizen should be to promote their health and safeguard them. The study aimed to assess the effectiveness of blow bottle exercise on respiratory status among children with lower respiratory tract infections. A quantitative research design was used. The sample consists of 30 study group and 30 control group with lower respiratory tract infections. Blow bottle exercise was given thrice a day for ten days for study group along with routine care. The result showed that there was a significant difference in the heart rate, respiratory rate and oxygen saturation in the study group than the control group which was attributed to the use of respiratory exercise.