The invention provides a public opinion information and viewpoint co-evolution model construction method based on an evolutionary game. The method belongs to the field of evolutionary games, and comprises the following steps: step 1, selecting a 100 * 100 regular mesh network as a social network model, enabling each individual on the social network to occupy one mesh in the regular network, and endowing each individual with an attribute value; step 2, taking each individual as a central individual, and carrying out cyclic collaborative evolution on the central individual; 3, a timer is used for timing operation, in each round of evolution process, when the specified time is up, the collaborative evolution process is stopped, information is infiltrated into the individual with the highest reputation value, and meanwhile the reputation value of the individual is increased; then, the collaborative calculation operation is continued; and step 4, circularly carrying out the step 2 and the step 3 until the collaborative evolution of all central individuals is completed. The method promotes emergence of positive cooperation behaviors among individuals in the social network, and has practicability.