The invention belongs to the technical field of drink processing, and particularly relates to a preparation method of refreshing health tea. The preparation method has the following steps: (1) preparing raw materials of chaenomeles speciosa leaf, momordica grosvenori, liquorice, honeysuckle, senecio cineraria, pericarpium citri reticulatae, lophatherum gracile, mother chrysanthemum, mint leaf and radix ophiopogonis, wherein the chaenomeles speciosa leaf is malus hupehensis; (2) adding the momordica grosvenori, the liquorice, the pericarpium citri reticulatae, the lophatherum gracile and the radix ophiopogonis to purified water, heating, keeping, then cooling to normal temperature, and filtering to obtain a solution A; (3) adding the chaenomeles speciosa leaf, the honeysuckle, the senecio cineraria, the mother chrysanthemum and the mint leaf to the solution A, adding a sweetening agent, heating, keeping, cooling, filtering, mixing the filtrate to be uniform, carrying out pasteurization, and filling. The preparation method has the following benefits: the refreshing health drink prepared by a formula consisting of all raw materials of the preparation method has the effects of producing saliva, slaking thirst, clearing heat, relieving poison, relieving summer heat, preventing irritation, calming nerves and the like, and is an excellent refreshing drink in summer.