The invention provides fitness equipment for exercising muscles of buttocks and legs and a use method of the fitness equipment and belongs to the field of fitness equipment. More efficient and more professional fitness equipment is designed to exercise the muscles of the buttocks and the legs, and defects of low utilization rate, unprofessional movements and the like occurring during use of the fitness equipment on the market at present are overcome. In order to achieve the purposes, the fitness equipment comprises parts as follows: a lifting unit, a chest rest, a handle, a steel wire rope, a guide slider, a slider, a sliding track and a main support; the parts are mounted according to certain mounting procedures and the fitness equipment is operated and used according to the use instruction. The fitness equipment is suitable for people of all ages, the elder and children should operate the fitness equipment under the guidance of a professional accompanying person, and the fitness equipment has a certain assistance effect on rehabilitation of related injuries and is a first choice of public gymnasiums and family bodybuilding.