A method of transmitting data for uplink coverage for improvement of a wireless communication system by a terminal improving uplink data transmission reliability so as to be capable of successful data transmission. A method for transmitting and receiving a signal of a terminal in a time division wireless communication system of the present invention includes receiving a TTI bundling setting command from a base station, confirming whether a TTI bundling number is included in the TTI bundling setting command, determining the time when a signal is transmitted and received according to the TTI bundling number, when the TTI bundling number is included and determining the time when a signal is transmitted and received according to a preset TTI bundling number, when the TTI bundling number is not included.