Kumar Umesh Prasad Arun is invited to the international brain injury conference by the Royal College and the Royal Medical Association in London on 17^th and 18^th，Apr.His speech“CNS lymphatic drainage blockade exacerbates cerebral vasospasm and cerebral injury following subarachnoid haemorrhage and partially reversed by Ginkgo biloba extract”which is the advanced result by professor Sun Baoliang team，is welcomed by experts from all over the world. Some experts show great interest to the international education in our university and want to visit our university in the future.