This study explored sustainable development strategies to improve the effectiveness of College English hybrid teaching literacy of Normal Universities in Sichuan province. This study aimed to (1) explore the current situation of College English hybrid teaching literacy of Normal Universities in Sichuan Province, (2) establish the sustainable development strategies to improve the effectiveness of College English hybrid teaching literacy of Normal Universities in Sichuan province, and (3) assess the adaptability and feasibility of the sustainable development strategies to improve the effectiveness of College English hybrid teaching literacy of Normal Universities in Sichuan province. This study employed mixed methods research design, combining quantitative and qualitative research methods. According to the Krejcie and Morgan Sampling table, the sample group of this research will consist of 384 university students, 186 College English lectures, and 274 university administrators randomly selecting from 9 Normal Universities in Sichuan province. The research instruments were a questionnaire, a structured interview, and an evaluation form. Data analysis was used for percentage, M, and content analysis. The research findings revealed the following: (1) The current state of the current situation of College English hybrid teaching literacy of Normal Universities in Sichuan province in five aspects was medium (M=3.68). Considering the results of this research, aspects ranged from the highest to lowest level were as follows: the highest level was students' learning attitudes (M=3.92), followed by online platform construction (M=3.85), teaching evaluation (M= 3.83), curriculum system establishment(M= 3.44), and institutional mechanism construction was at the lowest level (M= 3.38). (2) the sustainable development strategies to improve the effectiveness of College English hybrid teaching literacy were divided into five aspects, which contained 30 measures. There are 6 measures to improve institutional mechanism construction, 6 measures to strengthen the construction of online platforms, 6 measures to optimize curriculum system establishment, 6 measures to comprehensively upgrade the teaching evaluation system, 6 measures to improve students' learning attitudes. (3) The adaptability and feasibility of sustainable development strategies to improve the effectiveness of College English hybrid teaching literacy in five aspects were at high level with the values between 4.00 and 5.00 which are adaptable and feasible, underscoring their practical applicability.