Cognitive Behavioral Therapy for Mobile Phone Addiction in Hospitalized Patients

Inclusion Criteria: * Age ≥ 14 years old. * Willingness to treat problematic mobile phone usage behavior. * Voluntarily participate in this study and sign an informed consent form. If the subject is unable to read and sign the informed consent form due to reasons such as lack of legal capacity, or if the subject is a minor, their guardian must act as a proxy for the informed process and sign the informed consent form. If the subject lacks the ability to read the informed consent form (such as illiterate subjects), a witness must witness the informed process and sign the informed consent form. Exclusion Criteria: * Having serious physical or mental illnesses (such as ongoing psychotic symptoms, manic episodes, or severely disabling neurological and psychiatric disorders), unable to cooperate with intervention. * Previously received or currently undergoing CBT intervention for mobile phone addiction. * Cognitive impairment patients, critically ill patients, pregnant women, etc. * There are other situations that researchers consider unsuitable to participate in this study.