The present invention relates to a method, a device and a system for displaying content of a short message, and a method and a device for determining a display of a short message. The method for displaying content of a short message includes: receiving (S101) the content of the short message from a short message transmitting terminal and determining a telephone number corresponding to the short message transmitting terminal; determining (S102) a displaying style of displaying the content of the short message in a short message application of a terminal from a short message displaying rule database according to the telephone number and the content of the short message; displaying (S103) the content of the short message in the short message application according to the displaying style.
