Keywords: uml advantages and disadvantages The reason to choose UML to make a model one of the other alternatives is its simpleness and ease of use. The composition of the end model obtained using UML is not hard to design. The given case on hospital strategies was simple to understand however when comes to handling the situation with a model, its an completely different story. This is because the given circumstance includes four main issues and each issue should be resolved properly. We recognized the actors use instances, functions and their attributes at the first place. The next step was to interpret the recognized elements into visual units. They are virtually the steps involved in developing the model using UML. The first constraint to come up was how to handle external actors while using use circumstance diagrams.