People in coma usually can’t hear their loved ones speak. Coma is a common disorder of consciousness and the most serious of all disorders of consciousness, divided into shallow coma, moderate coma and deep coma, but all can’t hear their loved ones speak. 1. Shallow coma: there will be no voluntary activity, no obvious response to sound and light stimuli, and a painful expression can appear for the stimuli. Pupil to light reflex, corneal reflex, cough reflex, swallowing reflex, etc. are in, can be stimulated to wake up, in the process of coma can not hear their loved ones. 2. Medium coma: generally no reaction to external stimuli, corneal reflex is weakened or disappeared, in severe pain stimulation, there will be a defense reflex activity, but still can’t hear their loved ones. 3. Deep coma: no reaction to any stimulus, there will be general muscle relaxation, fixed eyeballs, dilated pupils, brainstem reflexes disappeared, significant changes in vital signs, and can not hear their loved ones. Therefore, coma patients should go to the hospital as soon as possible to find out the cause of the disease, after diagnosis under the guidance of the doctor for standardized treatment.