In Soldier Holding a Shield, a soldier stands prominently, gripping a large shield. The colors are rich, with deep reds and earthy tones dominating the scene. The figure is muscular and dressed in armor, suggesting strength and readiness for battle.

The background is somewhat muted, allowing the soldier to be the focal point of the painting. The painting is executed in oil on canvas, a common medium for the Baroque period. The dimensions are approximately 100 x 130 cm, making it a sizable work that commands attention. The use of chiaroscuro highlights the soldier's form, adding depth and drama to the composition.

Rosa's brushwork is visible, lending a sense of movement to the figure. Salvator Rosa was known for his dramatic and often romanticized depictions of historical and mythological subjects. This painting reflects his interest in the themes of heroism and valor. An interesting fact about this work is that it showcases Rosa's ability to blend realism with a theatrical flair, characteristic of the Baroque style.

His works often appealed to the emotions of the viewer, making them feel the intensity of the moment.