Research on the Application of Nursing Intervention Based on ITHBC Theory in Postoperative Self-Management of Patients With Varicose Veins of the Lower Extremities

Inclusion Criteria: * It meets the diagnostic criteria for varicose veins of the lower extremities in the "Chinese Guidelines for the Diagnosis and Treatment of Chronic Venous Diseases"; * The first surgical treatment for varicose veins of the lower extremities was received; * Age \>18 years old; * The patient is conscious, has no language communication barriers, possesses certain reading and writing abilities, and is proficient in using intelligent devices; * Informed consent and voluntary participation. Exclusion Criteria: * Secondary varicose veins of the lower extremities ; * Patients with a history of severe organ diseases or mental illness; * Patients with combined lower extremity arterial diseases, acute infections and malignant tumors; * Participate in other researchers.