• Based on written character, not pronunciation – Can type unknown words – Universal • Multiple methods for different dialects not necessary • All characters entered using five or less keystrokes • Fast inputting – Up to 160 characters per minute • Rate exceeding any Western language • Harder to learn than 音码 input systems – Extensive memorization required to be proficient – Memorize new set of keys on keyboard – Could be difficult and frustrating for foreigners • More useful for native speakers – Helps people whose careers require computers – Court stenographers