Smart watch capable of being selectively used by using wrist guard activity control function

The invention discloses a smart watch using a wrist guard activity control function for selective use, the smart watch comprises a smart watch, a wrist movement control mechanism is arranged in the smart watch, wireless charging assemblies are fixedly mounted at two ends of the outer side of the wrist movement control mechanism, gesture recognition assemblies are fixedly mounted at two sides of the smart watch, and the wireless charging assemblies are electrically connected with the wireless charging assemblies. Three infrared detection assemblies are fixedly installed on one side of the gesture recognition assembly, and four radar detection assemblies are fixedly installed on one side of the gesture recognition assembly. According to the intelligent watch, the wrist movement control mechanism is arranged, so that in the wearing process of the intelligent watch, the gravity sensing amplitude and the movement track record can be monitored in real time through the movement gesture of the wrist in cooperation wi