The utility model provides an intelligent detection and early warning system for safety operation specifications of operators, and the system comprises a wristband which is internally provided with anacceleration sensor and is used for collecting operation actions of the operators; the data receiving and sending device is in communication connection with the wristband and is used for receiving and sending the operation action information, acquired by the wristband, of the operator; the server is in communication connection with the data receiving and sending device and is used for respondingto the operation action information and comparing the operation action information with a preset action configured in the server; and the alarm device is electrically connected with the server and isused for determining whether to give an alarm or not according to the comparison result of the server.