A cool and dual-purpose soft/hard simmons mattress is provided, belonging to the technical field of manufacturing mattresses. The mattress is composed of a wire spring mattress (3) with one side clad by fabric (4), a hard mattress layer (2) laid on the other side of the wire spring mattress (3), a piece of ventilative gridding fabric (1) cladding on the hard mattress layer (2), etc., wherein the thickness of the ventilative gridding fabric (1) is 6-20 mm, the weight per square meter is 380-1200 g. The simmons mattress has reasonable design and simple structure, which is an important innovation for common simmons mattresses, widens the range of use as a durable article for daily use with longer time of usage, is particularly adequate for people with waist and back pains, children and people who like conventional palm fiber and plank beds, perfects the design of simmons mattresses, and is comfortable and convenient to long-term use.