Drunk-proof driving vehicle key and vehicle

The invention provides a drunk-proof driving vehicle key and a vehicle, and relates to the technical field of automotive electronics. The key comprises an alcohol sensor, a shell, a motherboard arranged in the shell and a key head which can stretch out and draw back on the shell; the alcohol sensor is used for conducting alcohol content detection on to-be-detected object, and an alcohol content electrical signal is obtained and sent to the mainboard; the mainboard is used for receiving the alcohol content electrical signal and determining whether or not the alcohol content of the to-be-detected object is larger than a preset standard value on the basis of the alcohol content electrical signal, and if yes, the key head is controlled to be arranged in the shell. According to the drunk-proofdriving vehicle key, the alcohol content of the to-be-detected object is detected at first, when it is determined that the to-be-detected object has drunken driving risk, the key head is controlled tobe in the shell, start of