A blade guard removable structure for an aerocraft has a connecting base, a blade guard and an elastic limiting strip. The blade guard has an insert. The connecting base has a receptacle for allowing the insert to be inserted therein. The limiting strip has an inner end. The inner end is connected to the insert. The limiting strip has a protruded fastener, an extension portion and an outer end. The protruded fastener is disposed on the extension portion. The protruded fastener is located at the outer end. The connecting base has a limiting recess for limiting the protruded fastener. The limiting strip is located in between the blade guard and the limiting recess.