Exploratory Study of Intermittent Hypoxia Intervention on Colorectal Cancer

Inclusion Criteria: * Patients with colorectal cancer between ages of 18 and 65 years. * Colorectal cancer stage Ⅰ,Ⅱ. * Subjects or their legally authorized representative can provide informed consent. Exclusion Criteria: * History of cardiovascular, cerebrovascular, dermatological, and hematological diseases. * History of pulmonary, hepatic, kidney, dermatologic and hematologic diseases. * History of pregnancy, hypertension, diabetes mellitus, obesity, sleep apnea and neurological disorders. * History of substance abuse. * Participating in other drug or medical device studies. * History of organ transplantation, including allogeneic stem cell and immune cell transplantation. * Recent severe infection within 4 weeks. * Received cancer treatment, including chemotherapy and radiotherapy, within 4 weeks. * Underwent major surgery within 28 days.