The description of soldiers in underworld novels could vary from person to person, but generally speaking, the characteristics and qualities of soldiers should be one of the important elements in the novel. Here are some possible descriptions: [Appearance Description: Soldiers usually need to have a strong body and solid skin.] It could describe their muscle lines, the elasticity and luster of their skin, as well as the determination and well-defined features of their facial features. 2. Character Description: Soldiers usually need to have a firm will and tenacious perseverance, as well as strict compliance with orders and self-restraint. It could describe their eyes, smiles, words, and their attitude towards work and life. 3. Skill Description: Soldiers usually need to have various skills such as fighting, shooting, driving, medical treatment, etc. It could describe their specific skills and performance, as well as their experience and wisdom in carrying out missions. The description of soldiers in underworld novels should reflect their quality and skills, and at the same time, it should also incorporate some unique elements to attract readers 'interest.