Apprentice spirometer is the modification of conventional Spirometer which is used in the lab by students of the foundational year of medicine to measure the different lung volumes. The modified Apprentice Spirometer is built with a hardware system that controls the flow and the direction of the air in the system. The airflow system attached to the device makes it more feasible to measure the lung volumes. When compared with the conventional Spirometer, it allows better control on the air movements, eliminates the unsteadiness of the cylinder, eliminates pulley, chain and also provides more easy and accurate reading using the scale printed on the cylinder itself which signifies its importance in students education, which also let the students to understand various facets of pulmonary medicine practically.