The invention relates to a preparation method for sub-health prevention and treatment teabags. The method comprises steps as follows: (1), weighing argyreia pierreana, adding an ethanol water solution into argyreia pierreana, heating the mixture under a backflow condition, cooling the mixture to room temperature, filtering and completely recycling ethyl alcohol in the filtrate to obtain an extracting solution 1; (2), weighing root and leaf of Affined Conehead, adding water, heating the mixture under a backflow condition, cooling the mixture to room temperature, and then filtering to obtain an extracting solution 2; (3) weighing and smashing clove, desmodium heterocarpum and common adenostema herb, adding water into the mixture, heating under a backflow condition, cooling the mixture to room temperature, filtering, adding ethyl alcohol into the filtrate until the alcohol content of the filtrate is 50%-90%, placing the filtrate under a sealed condition at the room temperature, filtering and completely recycling ethyl alcohol in the filtrate to obtain an extracting solution 3; (4) mixing the extracting solutions 1, 2 and 3, condensing and drying the mixture under a condition that the temperature is 30-80 DEG C and the pressure is -0.1 Mpa, and then conducting spray drying to obtain dry powder; (5) weighing and smashing black tea, screening, uniformly mixing the black tea with the dry powder and packaging to obtain the teabags.