The invention discloses a Chinese medicine paste for treating infantile diarrhoea due to cold exposure, comprising the following ingredients: 2-4 weight portions of evodia rutaecarpa, 2-4 weight portions of fructus psoraleae, 3-4 weight portions of long pepper extract, 5-8 weight portions of clove, 5-8 weight portions of rhizoma zingiberis, 5-8 weight portions of acalypha australis, 3-5 weight portions of bighead atractylodes rhizome, 5-8 weight portions ofmutmeg, 5-8 weight portions of cimicifuga foetida, and 3-5 weight portions of pericarpium granati. According to the invention, the medicinal paste is used for treating infantile diarrhoea, and the physiological characteristic of strong absorption function of infantile umbilical region is mainly utilized; the use of the unique way of pasting on navel prevents the pain of injection and taking medicines of children; simultaneously, the treatment of the Chinese medicine paste has no need of gastrointestinal absorption and liver and kidney metabolism, thus the possible side effect of medicines is avoided. The present invention has the advantages of good therapeutic efficacy, quick cure speed and convenient use.