《黄帝内经·灵枢·本藏》
脾脏体积小的，功能活动正常，不容易被邪气损伤；脾脏体积大的，胁下空软处常充塞而疼痛，不能快步行走。
脾小则脏安，难伤于邪也；脾大则苦凑䏚而痛，不能疾行。
Spleen is small in size and can perform functions normally, which is not easy to be harmed by pathogenic qi; spleen is large, hypochondria is often filled with qi and is painful, and people cannot walk fast.