Results: General knowledge of medical waste management before intervention was 18.8%, post-intervention 66.9% increased by 256.1% (p<0.05); Knowledge of identification of medical waste before intervention 13% achieved, after intervention 83.5% achieved, an increase of 543.6% (p<0.05); Knowledge of medical waste storage devices before intervention 49.8% achieved, after intervention 95% achieved, an increase of 90.7%; Knowledge of medical waste warnings before intervention 71.3% achieved, after intervention 96.7% achieved an increase of 35.6%; Knowledge of packaging and storage of medical waste before intervention 31.1% achieved, after intervention 68.6% achieved; knowledge about collection of medical waste before intervention 38.6% achieved, after intervention 81.2% achieved, an increase of 110.4%.