The Phonetics and Phonology course equips students with basic knowledge of the English phonetic and phonological system, providing a foundation for students to develop language proficiency. This course consists of 4 chapters. Chapter 1 provides an overview of linguistic phonetics. Chapter 2 introduces the process of speech production, the activities of vocal cords and airflow. Chapter 3 presents the English phonetic system: vowels and consonants and their classification criteria, diphthongs and triphthongs in English. Chapter 4 provides knowledge of phonology, delving into the analysis of segmental phonemes and suprasegmental phonemes in English.