* Tradition and Identity: The braid is a traditional hairstyle for men in China at the time the novel is set. It represents Wang Lung's connection to his culture, heritage, and the rural way of life.
* Masculinity and Social Status: While the braid is a common feature, its neatness and length can signify a man's status and prosperity. A well-kept braid suggests a man who is doing well.
* Transition: Towards the end of the novel, Wang Lung considers cutting off his braid. This thought represents a shift in his thinking and a possible rejection of the old ways as he becomes wealthier and more influenced by urban life.
In essence, the braid is a powerful symbol of Wang Lung's rootedness in his traditional Chinese identity, and the potential conflict between this identity and his changing circumstances.