The invention discloses a multifunctional curling iron capable of eliminating static electricity. A comb part is detachably embedded into a curling iron body, an upper shell of the curling iron is divided into a first working part and a second working part which are symmetrically arranged, the same heating conduction assemblies are arranged in the first working part and the second working part, and the comb part is arranged in a working groove between the first working part and the second working part; a circuit board for controlling the first working part and the second working part is arranged in a curling iron handheld part; one end of the curling iron handheld part is provided with an extending insertion rod, the insertion rod penetrates through the conductive silica gel partition plate to be connected with the upper shell of the curling iron, a positive and negative thread nut is arranged at the joint of the upper shell of the curling iron and the curling iron handheld part, and aheat plate conductor and the comb part in the heat conduction assembly are electrically connected with the positive and negative thread nut through the conductive silica gel partition plate. According to the invention, the purpose of eliminating static electricity can be achieved, the hair straightening or curling efficiency is improved, the hair of a user can be protected, and the user experience is improved.