The present invention relates to a pad for treating skin diseases, comprising agar gel and a fiber layer fixed to the inside of the gel, and a manufacturing method therefor. The pad of the present invention inhibits blood vessel exudation symptoms according to vasodilation by maintaining a low temperature of the affected area, reduces an itchy sensation and, at the same time, removes, from the skin, plasma proteins and various plasma-derived substances accumulated in skin tissue, thereby having an effect of alleviating the symptoms of the affected area.