To write in Heiti SC Medium is to accept that you are not writing for eternity. You are writing for now , and now is a window that closes. The letters are clean, legible, modest—but they know. They know that soon, some other new font will replace them. Some thinner weight, some darker gray. Some algorithm’s preference.

Originally developed by Beijing DynaLab for Apple, Heiti SC—short for Simplified Chinese—is part of the broader Heiti family. The "Medium" weight serves as the perfect middle ground, offering more presence than "Light" without the visual heaviness of "Bold." Design Characteristics

is a sans-serif typeface designed primarily for Simplified Chinese characters. It is part of the "Heiti" (Black Type) category, which is the Chinese equivalent of Gothic or Sans-Serif styles, known for its clean, modular lines and lack of decorative flourishes at the ends of strokes.

For apps requiring a "system-native" but stern look (e.g., security software, professional trading platforms), the new Heiti SC Medium is the superior choice. It is not going away. Apple continues to update its hinting and character set with every major OS release.