Heart rate monitoring device with waterproof function

The invention relates to the field of portable monitoring technology, in particular to a heart rate monitoring device with a waterproof function. The heart rate monitoring device comprises a dial anda watch strap for wearing the dial on the wrist of the human body. The watch strap includes an annular connecting sleeve and an integral lateral connecting belt disposed at both ends of the annular connecting sleeve. The lateral connecting belt is fixedly connected to the dial by being sleeved on the outer side wall of the dial with the annular connecting sleeve. The heart rate monitoring device with the waterproof function of the invention is provided with top and bottom connecting clamp grooves with waterproof sealing transparent covers therein in the annular connecting sleeve, and is provided with lateral loading and unloading rings on the outer side surfaces of the waterproof sealing transparent covers, thereby greatly improving the waterproof performance of the monitoring devices. Theheart rate monitoring dev