The term "九零业务" (Jiuling Yewu) is most commonly associated with businesses or services tailored to the post-1990s generation (often called "post-90s" or "Gen Z" in a broader global context, though post-90s in China specifically refer to those born between 1990-1999). This demographic is a core consumer force in China today, and businesses targeting them typically align with their unique characteristics:

Key Characteristics of Post-90s-Focused Businesses

1. Digital Native-Centric: Post-90s are the first generation to grow up with widespread internet access. Businesses here leverage social media (e.g., Xiaohongshu, Douyin), live-streaming e-commerce, and mobile-first experiences (e.g., app-based services for food delivery, shared mobility).
2. Individuality & Personalization: This group values uniqueness. Examples include indie fashion brands, custom-made products (like personalized jewelry or stationery), and niche hobby services (e.g., handmade craft workshops, cosplay supplies).
3. Experience-Oriented: They prioritize "experiences" over just products—such as bubble tea chains with Instagrammable store designs, immersive escape rooms, or travel packages focused on local culture and adventure.
4. Social & Emotional Resonance: Businesses often tap into post-90s values like authenticity, social responsibility, or nostalgia (e.g., retro-themed cafes recalling 90s childhoods, brands supporting environmental causes).
   Post-90s make up ~17% of China’s population and are a dominant consumer group: they have higher disposable income, are more willing to spend on non-essential items, and drive trends in sectors like e-commerce, entertainment, and lifestyle.

Note: The term may have context-specific meanings in certain industries (e.g., internal jargon for a company’s 90s-focused project), but the above is the most widely recognized interpretation. If you have additional context (e.g., industry, specific scenario), the meaning could be more precise.