Hi Jing, yes you can give Reiki to yourself as long as you learn Reiki one. Soon you learn Reiki you suppost to Reiki yourself for 21 days to complete the initiation to Reiki. You can give reiki to yourself and other which help your own healing.
I'm a Reiki Master and I teach Reiki if you would like to know more about the classes. Email me to TatesBrazil@aol.com
light and peace. Tatiana