Sports watch with watchband capable of measuring heart rate

The utility model discloses a sports watch with a watchband capable of measuring the heart rate. The sports watch comprises an LCD screen, buttons, watch glass, a watchcase, a PCB and a bottom cover, wherein the watchcase is buckled with the bottom cover to form a cavity, the PCB is arranged in the cavity, the watch glass is arranged on the watchcase, the LCD screen is arranged over the PCB, the buttons are arranged on the watchcase, the cavity is internally provided with a chargeable battery which is positioned under the PCB and a connector which is connected with the PCB, the watchcase is connected with the watchband which is internally provided with a heart rate measuring circuit module, and the heart rate measuring circuit module is connected with the connector via a connecting wire. The sports watch is simple in structure, capable of measuring the exercise heart rate needless of wearing a heart-rate detection belt, and is higher in practicality and comfortableness; and overcomes the disadvantages that a present heart-rate watch is incapable to measuring the exercise heat rate, and the exercise comfortableness is reduced after the heart-rate detection belt is worn.