The present disclosure provides a method of receiving system information by a user equipment in a wireless communication system. Particularly, the method may include receiving a Physical Downlink Control Channel (PDCCH) including Downlink Control Information (DCI) for scheduling the system information; descrambling a Cyclic Redundancy Check (CRC) of the DCI based on a System Information-Radio Network Temporary Identifier (SI-RNTI); obtaining first information on a type of the system information from a specific bit included in the DCI; receiving the system information based on second information for scheduling the system information, which is included in the DCI; and determining the type of the system information based on the first information.