孩儿参（学名：Pseudostellaria heterophylla）又称太子参，亦称异叶假繁缕；为石竹科孩儿参属的植物。

多年生草本；直生纺锤状块根，倒披针形叶子对生，夏季开两型花：茎顶的花白色、有花瓣，常不孕；近基部的花没有花瓣，结果实；球形蒴果。

Pseudostellaria heterophylla, known commonly as Hai Er Shen (Chinese:孩兒參, Kid Ginseng), Tai Zi Shen (Chinese:太子參, Prince Ginseng), and false starwort, is an adaptogen in the Caryophyllaceae family that is used in Chinese medicine and herbalism to tonify the qi and generate yin fluids. It is known as the "ginseng of the lungs". The plant is a low growing plant of the pink family that is grown in Southern China in the provinces of Jiangsu, Anhui, Shandong, Heilongjiang, Jilin, Liaoning, Hebei, Henan, Shaanxi, Zhejiang, Jiangxi, Hubei, and Shanxi.