When you need to contact a professor to request an online extra selection (加簽), inquire about course syllabi, or ask academic questions, you can find their official contact email through the following three methods:

🔍 Method 1: Search via NTHU Homepage "People" Function Publicly Accessible

• Navigation Path: Go to the NTHU Official Homepage → Click on "People" in the top right corner or main menu → Enter the instructor's name to search.
• Features: This is a fully public directory. Students, faculty, and off-campus visitors can directly look up info here.
• Note: This directory only displays faculty and staff data that has been reported and synchronized with the Computer and Information Networking Center by respective departments.

🌐 Method 2: Search via Official Departmental Websites Publicly Accessible

• Navigation Path: Visit the NTHU Academic Units Overview → Click to enter the official website of the course-offering unit (e.g., Department of Foreign Languages and Literature, Department of Computer Science, etc.) → Navigate to the "Faculty / Faculty Members" page.
• Features: These are public web pages managed directly by each department office. They usually offer the most comprehensive profiles, including research interests, office locations, and personal email addresses.

🔒 Method 3: Check via Course Syllabus in the Academic Information System NTHU Faculty & Students Only

• Navigation Path: Log in to the Academic Information System (AIS) → On any interface where you can view the current semester's syllabus → Click the "more information" button next to the course (as shown in the illustration below).
• Features: The system automatically retrieves the instructor's official business email directly linked from the Human Resources database, ensuring extremely high accuracy.