Objective] To explore and summarize clinical experience and academic characteristics of Lei Shaoyi on treating latent-qi leading to diarrhea. [Methods] By analyzing theory of“Impaired by wind in spring, one must get diarrhea containing undigested foods in summer”and related typical clinical cases in treatise on seasonal diseases clinical experience of Lei Shaoyi on treating latent-qi leading to diarrhea has been summarized. [Results] Lei Shaoyi put forward that the pathogenesis of latent-qi leading to diarrhea was wood restrains earth. There were two types of latent-qi leading to diarrhea: lienteric diarrhea and through-flux diarrhea. Due to suffering from disease for a long time, patients with latent-qi leading to diarrhea often were characterized by more asthenia syndrome and less sthenia syndrome, therefore, treatment was given priority to invigoration method.Lei Shaoyi was good at taking advantage of prescriptions and herbs with nature of light, clear and scattering for dispersing to expel inner delitescent pathogenic factors and emphasizing on protecting the spleen and stomach simultaneously. In clinical practice, Lei Shaoyi always adjusted treatments according to different clinical symptoms of diarrhea accompanied with other syndromes, which saved a lot of patients with critical illness.[Conclusions] The treatment methods created by Lei Shaoyi were not only inherited from The Yellow Emperor’s Inner Classic, but also the sublimation of his personal clinical experience, which was well worth learning by physicians of later generations.