This study builds upon the previously developed virtual health community platform, aiming to address the group characteristics and psychological traits of prediabetic patients. By employing intervention mapping to construct a group interaction management model, it seeks to develop a mobile platform integrating "gamified knowledge acquisition and motivation", "immersive lifestyle practice experiences", and "sustained community interaction management". The primary focus is on fostering patients' continuous and proactive engagement. Subsequently, a single-arm controlled trial will validate the model's efficacy, aiming to address the health management challenges faced by China's substantial prediabetic population. This initiative seeks to provide theoretical foundations and practical support for primary prevention strategies targeting other chronic diseases and at-risk cohorts.

Inclusion Criteria:

• Meets the diagnostic criteria for prediabetes: ①impaired fasting glucose (IFG): 6.1 mmol/L ≤ fasting plasma glucose (FPG) < 7.0 mmol/L and 2 h plasma glucose (2-hPG) after a 75 g oral glucose tolerance test (OGTT) < 7.80 mmol/L and impaired glucose tolerance (IGT): FPG<7.0 mmol/L and 7.8 mmol/L ≤ 2 hPG OGTT < 11.1 mmol/L], or HbA1c: 5.7-6.4%;
• Age ≥18 years;
• Clear awareness and comprehension ability;
• Able to use a smartphone and have access to internet at home;
• Willing to participate and sign the informed consent;
• Understand the purpose, procedure and nature of the study.

Exclusion Criteria:

• Severe cognitive impairment or mental disorder;
• Complicated with severe malignant tumours;
• Complicated with severe acute or chronic complications such as blindness, heart failure and end-stage renal disease.