The suit, as one of the most popular garments globally, is particularly favored in formal settings. According to international conventions, wearing a suit is the most appropriate choice when attending formal or prestigious events such as banquets or elegant artistic performances. In business interactions, a suit is the preferred professional attire. Given that suits often play the role of formal or ceremonial wear in public activities, choosing high-quality fabrics is essential. Navy blue suits are the top choice, while gray or brown are also good options, with black being suitable for solemn and formal events.

Traditionally, the more formal the occasion, the more one should opt for a solid-colored suit. The number and arrangement of buttons on the suit jacket are also important in distinguishing styles. Single-breasted and double-breasted suits each have their own characteristics, with single-breasted suits more common in formal business settings and double-breasted suits appearing more formal. When selecting a suit, one should consider personal body shape and the requirements of the occasion. For instance, tall individuals are suited for double-breasted suits, while those of shorter stature are better suited for single-breasted suits.

When wearing a suit, attention should be paid to the following points: first, remove tags; second, fasten buttons appropriately based on the situation; third, avoid rolling up sleeves or pant cuffs; fourth, keep pockets tidy and avoid overfilling them; fifth, pay attention to shirt selection and coordination, as well as the proper use of ties.

When choosing a shirt, prioritize long-sleeved shirts made of pure cotton or wool, with white being the preferred color. Formal shirts should be single-colored, and patterns should not be overly flashy. Stand-up collars, wing collars, and shirts with contrasting collars are not suitable for pairing with formal suits. When wearing a long-sleeved shirt, ensure the hem is evenly tucked into the waistband of the pants.

Ties, as the soul of a suit, are crucial in their selection and use. The best ties are made of silk or wool, avoiding materials like cotton or linen. Tie knots should be tight and neat, forming a triangular shape in appearance. When using a tie clip, ensure it is not visible externally.

Matching shoes and socks are equally important. Opt for dark, solid-colored leather shoes and avoid shoes with patterns or decorations. Socks should be made of pure cotton or wool, preferably in dark colors.

In conclusion, when wearing a suit in formal settings, men need to pay attention to the details and the overall coordination of their attire. By carefully selecting and coordinating suits, shirts, ties, and accessories like shoes and socks, one can present a professional and tasteful image.