The invention provides a racecadotril suspension, which is composed by the following ingredients: 1 part of racecadotril, 1-3 part(s) of mannitol, 5-9 parts of carboxymethylcellulose odium, 150-200 parts of cane sugar, 1-6 part(s) of ploxamer and 1-6 part(s) of aerosil. The racecadotril suspension has well stability and other pharmaceutical effects, because the flavoring agent is utilized, the racecadotril suspension not only solves the bad taste problem, but also surprisingly has the quick effect and high bioavailability, is better applied in clinic, and is particularly used as pediatrics pharmaceutical preparations.