Abstract: In view of the problems of high cost and large volume of DC circuit breaker (DCCB). In this manuscript, a parallel hybrid modular multilevel converter (PH-MMC) was designed for DC fault clearing of MMC-HVDC. Based on the traditional half-bridge MMC topology, the energy absorption branch composed of full bridge submodules (FBSM) was integrated into the MMC, and the corresponding auxiliary branches were added in the bridge arm and DC side of MMC, which could quickly and effectively clear the DC fault during the fault period. The operating principle, the design of additional controller and the process of DC fault clearing of PH-MMC were introduced. The voltage and current stress of devices in the additional branches are analyzed, and the number of devices used in the typical schemes was compared. A four terminal DC grid model was built for verification in PSCAD/EMTDC. The simulation results showed that the PH-MMC+MCB scheme could quickly clear the DC fault, and had certain advantages in terms of economy and practicality.