1. painting ability: the red legendary painting shows the author's good painting ability. Their innovative ideas, rich imagination and bold and smooth brushstrokes not only show their confidence, but also show their skills and mastery of painting.

2. Straight personality: The brushwork of this kind of painting reflects the author's straightforwardness and childlike interest, and shows their undisguised personality and emotion. This straightforward and bold brushwork makes the painting more dynamic and vivid.

3. Color expression: Red legendary paintings are excellent in color application. Paintings are colorful and unconstrained style, which makes the picture interesting and full of painting passion. This rich use of colors makes this painting more expressive and decorative.

4. Layout and imagination: The layout of this painting is full, colorful and imaginative. The authors fully show their interest and enthusiasm for painting, and they are willing to create such paintings, which is also the embodiment of their enthusiasm for painting.

Generally speaking, the main reasons for recommending red legendary paintings are strong painting ability, straightforward personality, rich color expression, full layout and imagination. These characteristics make red legendary paintings have high ornamental value, which is also an important reason to recommend this kind of paintings.