The invention relates to indoor environmental control equipment with functions of regulating temperatures, regulating humidity and purifying air. The equipment comprises a shell, and an air inlet and an air outlet which are formed in the shell, wherein the interior of the shell comprises a prefiltering net which is fixedly connected to the air inlet, and a fine particle filter, an odor removal filter, an ultraviolet lamp, a photocatalytic board, a condenser, an air blower a and a negative ion generator which are sequentially and fixedly connected with one another behind the prefiltering net; and a humidifying module is fixedly connected to the lower end of the condenser and comprises a condensate water recycling device and an ultrasonic humidifier device. Under the control of a control circuit board, polluted air enters from the air inlet under the action of the air blower a, dust in the air is filtered through the prefiltering net and the fine particle filter in turn, and peculiar smell is removed through the odor removal filter; disinfection and sterilization are performed through the ultraviolet lamp; volatile organic compounds are removed through the photocatalytic board, and air temperatures are regulated through the condenser; and clean air flows out of the air outlet through the negative ion generator. When the air is needed to be humidified, the humidifying module can be started to release water mist, and air humidity is regulated.