Objective: According to the theory of‘endogenous mechanism’and‘reactivity mechanism’,we set up the rat model of post cerebral hemorrhage depression, then observed the rat behavioral change in activity, interest and happiness , we also examined the brain of rat to find the change of single amine neural transmittal and the change of neural nutritious factors to discuss mechanism of the post cerebral hemorrhage depression. We consider post stroke depression due to deficiency in kidney and Qi stagna...