The method of making use case diagram is very simple. Through the following steps, you can easily draw a professional and practical use case flow chart.

First, create a new use case diagram. Click Chart-Use Case Flowchart. Then from the sample gallery, select a template and click Open Use Case Flowchart Template.

2. First click the use case diagram in the canvas, and then click the fill function in the property panel on the right to fill the color in the box. There is also the theme of the use case flowchart on the right. We can choose a suitable theme according to our own needs, and we can also change the color, connector and text of the theme. Of course, you can also directly import excel or csv data files to generate use case flow charts with one click.

Third, double-click the text box to replace the text in the use case diagram template.

4. After drawing the use case diagram, you can click Save, Download, Print, Share and other buttons in the upper right corner to save the drawn use case diagram. You can also export your work to pictures, PDF, PPT and other formats.

How to draw use case diagram with staruml? 1. Use the following interface to open StarUML software. Select "EmptyProject" and click OK.

2. Right-click untitled in the interface and select Add ""model and name it egg 1.

3. Right-click egg 1 and select Add Diagram and Use Case Diagram to create a use case diagram named "Use Case Diagram 1".

4. Click on the tools in the toolbar on the left, and click directly in the blank space on the right to draw the corresponding graphics, and then you can name the graphics.

5. Right-click on the graph to set the characteristics of the graph.

What drawing tool is used to draw the system use case diagram? The system use case diagram can be drawn in Word.

Draw an illustration in Word as follows:

1. First, open Word to create a canvas, and then click Insert Middle Shape.

2, and then click on the bottom of the new drawing canvas.

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3. Then you can see a white box in Word.

4. Then, you can draw the corresponding shapes according to the use case diagram, and select the required graphics.

5. After selection, you can see the graphics displayed on the canvas.

6. If you need to modify the shape's fill and outline, you can click Shape Fill-Shape Outline-Theme Color to adjust.

7. Finally, add text, and the chart can be completed.