The invention relates to a technical improvement type medical protective garment which comprises a protective garment body, the protective garment body comprises a head sleeve part, a neck part, an upper garment, lower trousers, shoe sleeve parts and sleeves, the head sleeve part, the neck part, the upper garment, the lower trousers, the shoe sleeve parts and the sleeves are formed by sewing in sequence, the head sleeve part is provided with a ventilation assembly, and the ventilation assembly is provided with a ventilation hole. The side wall of the jacket can be separated from the back of a medical worker through the air bag ribs, so that the medical worker can wear the protective clothing for a long time in summer, the situation that the sweat back makes contact with the side wall of the jacket and feels uncomfortable is avoided, and when the medical worker needs to sit on a chair for a rest, the medical worker can support the chair seat with the two hands and upwarp the front ends of the feet, and then the medical worker can sit on the chair. When the medical worker sits on the chair, the first air bag in the middle of the foot is separated from the ground, so that air in the air bag ribs is removed, the air bag ribs are shrunken, and then the medical worker sits on the chair, so that the back of the medical worker clings to the chair, and the medical worker sits more comfortably.