A long time ago, people began to study the therapeutic environment. They found that fresh air and sunlight can have positive impacts on patients’ recovery, and architecture has the same positive impact, too. Viewing hospital yards can help people rest well and sleep well and can also help release their stress and pain easily. 90% of nurses in hospitals agreed that the designed hospital environment links to patients’ recovery. People began to study the therapeutic environment. They found that fresh air, sunlight and architecture can have positive impacts on patients’ recovery. To be more specific, viewing hospital yards can help people rest well and sleep well. Also, it can help release stress and pain easily. 90% of nurses in hospitals agreed that the designed hospital environment is related to patients’ recovery.