1. Application in medicine: Cinnamonitrile is one of the important pharmaceutical raw materials, commonly used in external use, synthetic drugs .It is also the activity of antifungal substance, used for antiseptic and disinfection, In particular, have significant effects on fungi. Cinnamaldehyde can reduce the activity of trypsin, have significant effect in carminative. Can be used for drugs in blood glucose control, Prevent diabetes. Cinnamonitrile also has effect in antiviral, anticancer, antihypertensive and dilation of blood vessels. It have effect on softening and emilating scars and fibroma, Also used for external use in bone-active oil. Mainly from the active muscles, loose congestion, has sedative, analgesic, antipyretic, anticonvulsant, regulating the role of the central nervous system, can also increase the number of white blood cell and platelet