The invention relates to a 
cordyceps militaris tea bag and a preparation method thereof, and belongs to the field of tea bags. 
Cordyceps militaris, 
licorice roots, Chinese wolfberry fruits, chrysanthemums, lemons, dried lily bulbs, wild jujubes, pears, dandelions, 
lotus leaves, mint, 
honeysuckle flowers, dried orange peel, haws and fructus momordicae are adopted. The preparation method comprises the following steps of performing superspeed freeze-
drying by a freeze-
drying technique for 1-3 seconds, and performing direct proportioning, so that people can drink the brewed 
cordyceps militaris tea bag; or loading dry ultrafine 
powder in an earthen 
jar, performing uniform stirring with 
loess at places where the 
cordyceps militaris grows until a paste is obtained, sealing the opening of the 
jar, performing natural 
fermentation and alcoholization, placing the treated earthen 
jar in 
natural ventilation environment, absorbing the essence of the sun and the moon in the 
universe, after one year, performing 
microwave sterilization, performing simultaneous 
drying, removing dampness, performing filtering, and performing loading into bags, so that the tea bag can be drunk. People drink the tea, so that the effects of preventing people from suffering from diseases and benefitting vigour are achieved, various diseases caused by 
chronic fatigue syndromes are relieved, and the 
efficacy of delaying 
ageing, prolonging life can be achieved.