Two vehicles have been involved in an accident on the Helston-to-Redruth road near Burras Wendron.
The B3297 was closed while the silver Ford Ka and the blue Audi estate are recovered after the accident at around 9am.
Ambulance attended the scene and treated a casualty for back and neck injuries.
A police spokesman said the injuries are not thought to be life threatening or life changing.
The road has been re-opened.