Grapheme and metal mixing powder and preparation method thereof

The invention provides a grapheme and metal mixing powder and a preparation method thereof; the mixing powder comprises the following elements by weight percent: 0-20% of grapheme powder; the balance metal powder; the method uses a high energy ball milling mode to generate ball milling bead bumping, thus uniformly dispersing the grapheme powder, solving the problem that the grapheme is easy to gather and hard to disperse, so the grapheme and the metal powder can be inlaid and uniformly mixed, thus ensuring the performance of the grapheme and metal composite material.