Provided is an aqueous skin external used patch. The patch has enough adhesive force for adhering several hours on the affected part even no auxiliary adhesive tape is used, while can be separated easily if adhered to each other before being applied on the affected part, and has excellent usability. The aqueous skin external used patch is characterized in: The paste of the patch contains: 0.1-10wt% of medicament, 0.1-20wt% of bonding matrix, 0.001-3.0wt% of crosslinking agent, 15-60wt% of water, 2-20wt% of bindability providing resin, 0.4-10wt% of bindability providing resin deliquescent agent, 0.1-30wt% of oil absorption inorganic powder, and 0.1-20wt% of dextrin fatty acid ester and the paste thickness is 100-1000 mu m.