The utility model relates to a collapsible plastic rubber dinghy, which comprises a dinghy body and air camels, wherein, the air camels are dispersed over the front part and both sides of the dinghy outerwall; the dinghy body contains a dinghy body fore hold and a dinghy body aft hold between both a connecting device is positioned, and the connecting device includes a dinghy connecting hook and a dinghy connecting ring matched with each other and respectively arranged on the dinghy body fore hold and the aft hold and a dinghy locking piece and a dinghy locking opening hook also matched with each other and respectively arranged on the dinghy body fore hold and the aft hold. Due to the connecting device connecting the dinghy body fore hold and aft hold with simple structure and convenient for assembly and disassembly, and the dinghy body fore hold being able to be placed into the aft hold after both being disassembled, the volume of the dinghy is reduced, being very convenient for package, transportation and carryover of the dinghy. Therefore, the utility model has the advantages of simple structure, convenient use, high safety and reliability.