Does the subject want to ask "one of the three 1 punches, one foot and one inch, what does it mean in a correct sitting position?" The distance between the box and the table. According to China Education Online official website, one of the three 1 punches in correct sitting posture refers to the distance between the chest and the table, which means that when reading and writing, the distance between the chest and the table should be more than one foot, which is a good posture for reading and learning.