What poisoned Su Xinghe?

Su Xinghe got Ding Chunqiu's San Xiao Xiaoyao San!

San Xiao Xiaoyao Powder is one of the most commonly used items of the Stars School. San Xiao Xiaoyao Powder is made of poisonous snakes, scorpions, centipedes, poisonous toads, and poisonous spiders. It will involuntarily give out strange smiles, and the poisoned person will be killed immediately after laughing three times. This poison is only effective for people with internal injuries.

Eight Dragons is a novel written by Jin Yong, a modern writer in China. This novel was written in September 1963 and serialized in Ming Pao, and completed in May 1966. * * *, three editions before and after, the third edition in 2005, six drafts were revised, and the ending changed greatly.

Based on the Song Zhezong era, this novel examines and describes life and society from a philosophical perspective through the Wulin grievances and ethnic conflicts in Song, Liao, Dali, Xixia, Tubo and other countries, showing a magnificent picture of life. His story is bizarre and tortuous, involving many characters, extensive historical background, vast martial arts battles and rich imagination, which can be called "the golden book". The style of the work is magnificent and tragic, and it is an epic masterpiece with strong human nature and tragic color.