The neoprene latex waterproof mortar is composed of neoprene latex waterproof lotion, special cementitious material and high-quality aggregate by special process. The mortar has excellent bonding, crack resistance, frost resistance, seepage prevention, corrosion resistance, resistance to chloride ion penetration, wear resistance, aging resistance and other properties, and is suitable for water conservancy, port engineering, highway, bridge, metallurgy, chemical industry, industrial and civil buildings and other surface protection and repair projects.