The invention belongs to the technical field of surgical gowns, in particular to a surgical gown with a heart rate detection function, and provides the following scheme. The surgical gown comprises an upper garment and trousers, arm parts of the upper garment are broken and sewed with elbow joint sleeves through silk threads, cuff parts of the upper garment are sewed with cuff elastic bands through silk threads, armpit positions of the upper garment are provided with openings, an underarm block is sewn at each opening through a silk thread, breathable cotton adheres to the outer wall of the underarm block, a bent groove is formed in the outer wall of the underarm block, an underarm ventilation mechanism is arranged on the inner wall of the bent groove, and a communicating groove is formed in the outer wall of one side of the underarm block. The inside and the outside of the bending groove are communicated, the space in the middle is beneficial to rapid circulation of air, when the air penetrates through the inner wall of the bending groove, flowing air can drive balls to roll, then the circulating air is further accelerated, sweat at the armpit part is driven to volatilize through mutual cooperation, the armpit of a medical worker is kept dry, and the comfort is improved.