Multifunctional oximeter

The multifunctional oximeter comprises a lower shell, a control button, a clamping column, a storage battery, a through opening groove, a soft cushion and an electric telescopic rod, an upper shell is arranged above the lower shell, a display screen is arranged at the upper end of the upper shell, meanwhile, a cover is arranged above the display screen, the storage battery is arranged in the upper shell, and the soft cushion is arranged in the upper shell. A heat dissipation groove is formed in the side face of the upper shell, meanwhile, a first filter screen is arranged on the outer side of the heat dissipation groove, the electric telescopic rod is arranged in the lower shell in a penetrating mode, and a protruding block is connected to the upper end of the electric telescopic rod. According to the multifunctional oximeter, the control button and the electric telescopic rod are arranged, the electric telescopic rod is adjusted in a telescopic mode through the control button, so that the distance between th