It means going out for activities. Breathing the breath of spring means that spring is here and people need to go out more. Spring is here, everything revives, even the air is filled with fresh breath, the vegetation sprouts, the land returns to pulp, the trees turn green, the river thaws, the wild geese return, and the Yang Qi rises, people will have the urge to go out and play, breathing in the fields These actions are called breathing the fresh air in the spring.