Prince ginseng (Pseudostellaria heterophylla (Mig.) Pax), also known as “children’s ginseng,” is a perennial herbaceous medicinal plant in the Caryophyllaceae family. The root is used medicinally and is believed to strengthen lung qi, improve spleen and stomach function, and generate body fluids. It is widely cultivated in the Guizhou, Fujian, Shandong, Anhui, and Jiangsu provinces. Major diseases affecting prince ginseng include leaf spot, root rot, violet root rot, viral diseases, and southern blight, with leaf spot, viral diseases, and root rot being particularly severe.