Abstract: The domestic and overseas research status of nondestructive detecting in rock bolts are discussed from the aspects of excitation signal and information processing technology. For current information processing technology is difficult to resolve the anchoring quality detecting problems, such as stress state of rock bolts and so on, the feasibility of using guided waves propagation information in rock bolts to carry on the anchoring quality detecting is discussed, and the development trend of modern information processing technology applying in rock bolts detecting is mentioned.