Skin positioning device and application thereof

The invention discloses a skin positioning device. The skin positioning device comprises a casing, a fixing seat mounted at a bottom portion of the casing, and a contact terminal, wherein a bottom portion of the fixing seat is equipped with multiple suckers, a mounting chamber is molded at a middle portion of the fixing seat axially, the contact terminal is mounted on the mounting chamber of the fixing seat, the contact terminal stretching out of the fixing seat is in an initial state, and the contact terminal under the action of external force retracting into the fixing seat is in a work state. According to the skin positioning device, positioning can be realized through the contact terminal, so the disposing position of the skin positioning device is made to be unchanged, skin of a patient is absorbed through the suckers to keep the skin positioning device fixed on the skin, the skin positioning device is convenient to fix and take down, and the skin positioning device has advantages of good positioning eff