The JK series concrete protects pharmaceutical and waterproof pharmaceutical to contain organic silage by one kind, silicate chemical compound, solidification pharmaceutical and water base chemical compound of the high-efficient active material of surface, non poisonous, does not fire, do not include volatile matter materials. Can is it on suitable material surface, can permeate through material top layer form the three - dimensional network with cement hydroxyl condensation of base to spray directly, make the material form the permanent waterproof layer, reduce the speed of infiltration of the harmful example, prevent the reinforcing bar corrosion, and can improve materials and is able to bear waiting and corrosion-resistant performance. The product category has JK1000, JK1500, JK2050, JK2100, JKC300 trade mark, suitable for different concrete and rigidity waterproof and demand that concrete protect of cement mortar of occasion respectively.