Effects of a Health Intervention on Fear of Hypoglycemia : a Pilot Study

Inclusion Criteria: * Comply with the 2020 Chinese guidelines for the prevention and treatment of type 2 diabetes mellitus * Age ≥18 years * Duration of diabetes mellitus ≥1 year * FOH according to the elevated item endorsement criterion (E I criterion): ≥3 points on any item of the Hypoglycemic Fear-Worry Scale (HFS-WS) * Patients who have the ability to listen, read, write, walk, and cooperate to complete the study * Patients who have a smart phone, and can skillfully use WeChat or telephone to communicate * Voluntarily participate in this study and sign the informed consent form. Exclusion Criteria: * Patients with comorbid acute complications or other serious diseases or disorders of consciousness, such as diabetic hypertonic state, tumors, coma, etc. * Patients with comorbid psychiatric diseases or taking psychotropic drugs * Patients who have recently or are participating in other studies on similar topics