An enterprise check on the APP shows that the patent of "wearable device with blood pressure and gas detection function" applied by Huawei Technologies Co., Ltd. has been granted recently. The patent abstract of the enterprise investigation shows that this application belongs to the technical field of health detection, and the wearable device includes a device body, an air chamber, an air bag, a barometer, a gas sensor, a micro pump and a processor, wherein the air chamber, an air bag, an air pressure gauge and a processor are all located in the device body, and the gas sensor and the micro pump are all located in the air chamber; The equipment body is provided with a ventilation port, and the ventilation port is connected with the air chamber, the air chamber is connected with the air bag, and the air bag is connected with the barometer through the air passage; An air inlet valve is installed on the air passage between the air vent and the air chamber, and an air bag valve is installed on the air passage between the air chamber and the air bag; The wearable device measures blood pressure through a barometer and gas components through a gas sensor. It can be seen that the wearable device has many functions.