Whether a vegetable can wake up or not cannot be generalized, it mainly depends on the severity of the brain damage. 1. The degree of brain damage is mild, the patient after active treatment, such as hyperbaric oxygen therapy, to improve the oxygen supply to the brain, for the patient to wake up has a certain degree of help, it is possible to wake up. 2. The degree of brain damage is serious, after active treatment, if the patient has not woken up after 6 months, the chance of waking up later will be very low, the patient may need a long time coma, vegetative state of existence, the longer the time of coma, the more remote to wake up later. The longer the coma, the more unlikely to wake up in the late stage. The patient is in a coma for a long time, need to prevent complications, for example, due to the long time bedridden, easy to complicate the accumulation of pneumonia decubitus ulcers and urinary tract infections, the need for active treatment of complications, otherwise easy to threaten the patient’s life, if you are not feeling well, consult a doctor in a timely manner, must not be negligent, in order to avoid delays in the condition.