The invention relates to air purification fresh air equipment, in particular to an intelligent fresh air temperature control disinfection system. The intelligent fresh air temperature control disinfection system comprises an intelligent heating device, a purification disinfection device, heat recovery devices and a control device; the intelligent heating device and the purification disinfection device are both arranged in the indoor space, and the heat recovery devices are evenly arranged at an indoor and outdoor air exchange opening. The intelligent fresh air temperature control disinfectionsystem has the functions of intelligent heating, purification disinfection and heat recovery simultaneously, the purification efficiency is high, the ionization dust removal effect is good, the heat exchange efficiency is effectively improved, the utilization rate of energy is increased, it can further be guaranteed that the difference of the temperature of air newly entering the indoor space andthe temperature of original indoor space is not too large, and the using comfort level is high.