 This is a single-arm, open-labeled and phase II futility study. Application of Remote ischemic conditioning RIC as an adjunctive therapy to medication were involved in the study. The study is to test whether RIC is effective in preventing ischemic evens after a minor ischemic stroketransient ischemic attack within 3 months and to explore the safety and compliance of chronic RIC. Medication strategy is based on physicians best judgement. 