A Study on the Impact of Online Positive Psychological Intervention on the Mental Health and Quality of Life of Crohn's Disease Patients

Inclusion Criteria: * Patients diagnosed with Crohn's disease according to the 2018 diagnostic criteria established by the Inflammatory Bowel Disease Group of the Chinese Medical Association's Gastroenterology Branch; * Patients aged between 18 and 75 years; * Patients with a score of 5-14 on the GAD-7 (indicative of mild to moderate anxiety) or a score of 5-14 on the PHQ-9 (indicative of mild to moderate depression); * Patients who understand and agree to comply with the study requirements and have signed informed consent; * Patients who are able to read and access the internet, either independently or with assistance from a family member, and are capable of using WeChat and mobile applications; * Patients who are able to complete all course trainings and/or follow-up procedures. Exclusion Criteria: * Individuals with a history or current diagnosis of psychiatric illness or cognitive impairment, or those currently taking psychiatric medications; Individuals working in the field of psychology, or those who have previously studied or are currently studying positive psychology; * Individuals with concurrent other intestinal diseases or malignancies; * Individuals with severe primary diseases of the cardiovascular, cerebrovascular, hepatic, or renal systems. Withdrawal Criteria: * Patients lost to follow-up due to withdrawal or other reasons during the intervention period; * Patients who develop severe complications or experience significant changes in their condition that prevent them from continuing the study.