Combination floor pad having composite base boards

A combination floor pad having composite base boards, comprising at least one base pad, and a plurality of base boards fixed on the base pad, wherein:

• each of the base boards has four sides each formed with an arcuate groove;
• the base pad has four sides, wherein two adjacent sides of the base pad are formed with a plurality of recessed locking portions, and the other two adjacent sides of the base pad are formed with a plurality of snapping portions;
• the base pad has a periphery formed with four flexible side ribs so as to seal and encompass the periphery of the base pad;
• the base pad has a surface formed with a plurality of flexible positioning ribs which are arranged longitudinally and transversely in a staggered manner, the positioning ribs are connected with each other and are connected with the four side ribs, thereby forming multiple receiving spaces in the base pad for insertion of the base boards;
• each of the four side ribs has an inner side formed with a plurality of arcuate protruding portions that can be inserted into the respective arcuate groove of the base board when the base board is inserted into the respective receiving space of the base pad;
• and
• each of the positioning ribs has two sides each formed with an arcuate protruding portion that can be inserted into the respective arcuate groove of the base board when the base board is inserted into the receiving space of the base pad.