The invention discloses a medical sickbed capable of improving the sleep quality of a patient. The medical sickbed comprises a mattress pressing plate and a rotary shaft, a mattress is placed on a bed body, the mattress pressing plate is mounted on the front end face of the mattress, an air bag is mounted in an inner cavity of an airbag fixing seat, and an air bag cover is mounted at the top end of the air bag. A supporting block and a spring seat are mounted on the left side end face of the bed body, and a spring plate is mounted on the left side end face of the supporting block through the rotary shaft. The air bag achieving automatic air output is designed and mounted on the medical sickbed, sleep helping spices can be added into the air bag, pressure generated by the turnover action of a patient on the medical sickbed is transferred to the designed pressing plate with an automatic spring plate function, the pressing plate transfers the pressure to the air bag, the air bag automatically exhausts air, therefore, the patient can inhale sleep helping gas while breathing, and the sleep quality of the patient is improved.