The invention discloses seated chest press fitness equipment and use instructions of the same, and belongs to the field of fitness equipment. According to the main purposes, the portable fitness equipment special for exercises of chest and buttocks muscles is provided for vast fitness enthusiasts and insiders in the fitness industry, and according to simulation of seated chest press motions, the fitness effect is achieved by overcoming the weight of weight stack. In order to achieve the purposes, all parts are processed, wherein the fitness equipment comprises a weight box, a rope, a pulley, a backrest, a seat cushion, a force applying piece, an adjusting device and a machine frame. After all the parts are manufactured, installation is conducted according to the corresponding installation process, and the fitness equipment is operated and used according to the use instructions in use. The seated chest press fitness equipment can achieve a good fitness effect, and also has adjuvant treatment and rehabilitation effects on related injuries and diseases, and the seated chest press fitness equipment is the preferred fitness equipment for various fitness venues and family fitness.