Facial injection auxiliary device

The utility model provides an auxiliary device for facial injection, which comprises a reference arm and a second arm, the reference arm comprises a first rod-shaped main body, the first rod-shaped main body is provided with a first hinging part and a first fixing part, the first hinging part is positioned at the head end of the first rod-shaped main body, and the distance between the first fixing part and the first hinging part is a first length; the guide arm comprises a second rod-shaped main body, the second rod-shaped main body is provided with a second hinging part and a second fixing part, the second hinging part is located at the head end of the second rod-shaped main body, and the second fixing part and the second hinging part are spaced by a second length; the reference arm and the guide arm are hinged together through the first hinge part and the second hinge part; the two ends of the angle adjusting assembly are pivoted to the first fixing part and the second fixing part respectively, and the angl