Highland barley tea and preparation method thereof, and related product

A preparation method for highland barley tea, comprising following steps:

• stir-frying highland barley, wherein a temperature of the stir-frying is 175-179.5° C., and a time of the stir-frying is no more than 1 min;
• soaking stir-fried highland barley in water to obtain a mixture of the stir-fried highland barley and water, and then extracting the stir-fried highland barley from the mixture of the stir-fried highland barley and water at a temperature of 95±1° C. to form a highland barley tea, wherein the soaking is performed at a temperature of 85-90° C., of duration of 40-50 min, and the extraction is performed for times no greater than 15 times, and the extraction lasts for 55-60 s each time;
• and
• filtering the highland barley tea after the extraction to obtain a filtered highland barley tea.