A machining program editing apparatus that enables a machining program to be edited accurately in a short time, and a machine tool having the same, are provided. A machining program editing apparatus 1 for editing a machining program of a machine tool 10 includes a control means 5 for controlling the display content of a display means 3 for displaying the machining program. When a preset NC code, among the NC codes included in the machining program, is selected on the display means 3, the control means 5 allows an edit window 7 for inputting an editing content, according to the type of the NC code, to be displayed near the display position of the NC code.