Device for smearing coupling agent on breast

The invention relates to a device for smearing a coupling agent on a breast. The device for smearing the coupling agent on the breast comprises a breast sleeve, a smearing rod and a rotating button; the breast sleeve is of an eave-free cap-shaped structure; the smearing rod is of an L-shaped structure, the front end of the smearing rod is fixedly connected with the bottom of the breast sleeve, and a rolling rod is arranged on the periphery of the surface of the main body of the smearing rod; the breast sleeve, the smearing rod, the rolling rod and a finger ring are all made of medical soft silica gel materials and have certain plasticity; an opening is formed in the inner side of the joint of the breast sleeve and the front end of the smearing rod; and the rotating button is in vertical rotating connection with the tail end of the smearing rod through the bottom of a connecting rod. With the device adopted, the coupling agent can be simply, conveniently and quickly smeared on the periphery of the breast and t