1. Praise for nature: Sinan's poems often describe natural scenery, such as mountains, rivers, flowers, rain and snow. Through the description and praise of natural scenery, it conveys people's awe and praise of nature, embodies the harmony between man and nature, and arouses people's concern and protection of nature.
2. Thinking about life: Sinan's poems also involve thinking and feeling about life. Through the description and reflection of life, Sinan compares life to a picture scroll or a trip. This beautiful moral expresses the cherish and call for life, and encourages people to cherish the present and actively face all kinds of difficulties and challenges in life.
3. Emotional expression: Sinan's poems often involve emotional expression. Some poems express the yearning and longing for love, while others express the cherish and innocence of friendship. Sinan's poems convey the pursuit of sincere emotion and arouse people's yearning for beautiful emotion through the description of emotion.