Labor chant is also a folk song, often accompanied by labor, often with a call sign. Labor chant can direct labor, coordinate actions, stimulate labor enthusiasm and relieve fatigue. A variety of productive labor has produced a variety of labor slogans, such as transplanting rice seedlings, carrying water, threshing, tamping, crushing, loading and unloading, carrying loads, shaking, pulling fibers, fishing, logging, beating blue and so on. The music of each labor chant is closely related to the characteristics of this labor action, resulting in different tunes, rhythms, musical structures and singing forms. Generally, there are chorus, solo and chorus, and the lyrics are mostly improvised.