To provide a manufacturing method of a doctor blade used in a gravure coating process which can eliminate defects, such as coating irregularity by the back side of a spatula, the wear of a gravure printing plate/the doctor blade and stepped unevenness by vibration of a device, which are generated by a contact friction between the rotating gravure printing plate and the fixed doctor, blade and a doctor surface treatment device.

This doctor blade manufacturing method is to form a water-repellent film within the range of at least 3 mm from an edge part, on both surfaces or one surface of the doctor blade by a plasma CVD method using a dilution gas and a feedstock gas containing a vapor as a water-repellent material.