A walking-assisted air-jet insole, comprising an insole base , wherein a plurality of pressed-air outlet units are provided on the insole base and are configured to generate airflow based on stepping pressure; each of the plurality of the pressed-air outlet units comprises a cavity for retaining air; an upper part of the insole base is provided with an upper air hole and the upper air hole communicates with the cavity ; a lower part of the insole base is provided with an air sac part , and the air sac part is elastically deformed and restored based on the stepping pressure; a volume of the cavity is changed based on elastic deformation and restoration of the air sac part wherein a lower end of the air sac part is provided with a convex column , and the convex column moves up and down based on the stepping pressure; the cavity comprises an upper cavity portion and a lower cavity portion from top to bottom; an upper end of the upper cavity portion is connected to the upper air hole , an inner diameter of the upper cavity portion gradually increases from top to bottom to form a bowl-shaped containing space , and the bowl-shaped containing space is configured to contain an upper end of the convex column when the convex column is driven to move upward; the air sac part comprises an annular elastic thin wall; and the lower cavity portion is formed by enclosing with the elastic thin wall, an inner diameter of the lower cavity portion gradually decreases from top to bottom, and a lower end of the lower cavity portion is connected to the convex column ; and the lower part of the insole base is provided with a plurality of first pits for containing air sac parts of the plurality of pressed-air outlet units , and gaps for elastic deformation of the air sac part are formed at intervals between peripheral side walls of the plurality of first pits and the air sac parts . a plurality of pressed-air outlet units are provided on the insole base and are configured to generate airflow based on stepping pressure; each of the plurality of the pressed-air outlet units comprises a cavity for retaining air; an upper part of the insole base is provided with an upper air hole and the upper air hole communicates with the cavity ; a lower part of the insole base is provided with an air sac part , and the air sac part is elastically deformed and restored based on the stepping pressure; a volume of the cavity is changed based on elastic deformation and restoration of the air sac part wherein a lower end of the air sac part is provided with a convex column , and the convex column moves up and down based on the stepping pressure; the cavity comprises an upper cavity portion and a lower cavity portion from top to bottom; an upper end of the upper cavity portion is connected to the upper air hole , an inner diameter of the upper cavity portion gradually increases from top to bottom to form a bowl-shaped containing space , and the bowl-shaped containing space is configured to contain an upper end of the convex column when the convex column is driven to move upward; the air sac part comprises an annular elastic thin wall; and the lower cavity portion is formed by enclosing with the elastic thin wall, an inner diameter of the lower cavity portion gradually decreases from top to bottom, and a lower end of the lower cavity portion is connected to the convex column ; and the lower part of the insole base is provided with a plurality of first pits for containing air sac parts of the plurality of pressed-air outlet units , and gaps for elastic deformation of the air sac part are formed at intervals between peripheral side walls of the plurality of first pits and the air sac parts . <EOS>