The invention provides a folding type multipurpose sofa. The folding type multipurpose sofa comprises a seat cushion, a backrest, a support, a limiting rod, a keel, a wood plate and tabling teeth, wherein the backrest is located at the rear side of the seat cushion; the backrest is fixedly connected with the seat cushion; the support is located at the bottom part of the seat cushion; the support is fixedly connected with the seat cushion; the keel is located at the top part of the support; the keel is fixedly connected with the support; the tabling teeth are located at the inner side of the keel; the tabling teeth are fixedly connected with the keel; the limiting rod is located at the inner part of the keel; the tabling rod is clamped with the keel; the wood plate is located at the top part of the seat cushion; the wood plate is fixedly connected with the seat cushion. The folding type multipurpose sofa provided by the invention is provided with an insulation cushion, materials of theinsulation cushion and the seat cushion are consistent, the thickness of the insulation cushion is 10cm, and the length of the insulation cushion is 1m; a placement hollow groove can be formed in theseat cushion through the insulation cushion, parents have no need to worry about a baby rolling out of a bed when the parents take a lunch break with the baby, the parents can take a rest carefully, the insulation cushion is suitable for production and use of the folding type multipurpose sofa, and the folding type multipurpose sofa has a good development prospect.