Preparation method of raw Pu'er tea cake

The invention discloses a preparation method of a raw Pu'er tea cake. The preparation method comprises the following steps: a, picking fresh leaves; b, withering; under a ventilation condition, uniformly spreading the picked fresh leaves on a water sieve, withering for 8-10 hours at the temperature of 25-38 DEG C, and enabling the weight of a first sieve to be 1-2kg; c, performing fixation; in thetraditional pan-frying fixation, controlling the surface temperature of the tea leaves at 118-122 DEG C, and the fixation time is 60-80s; d, rolling; wherein the time lasts for 40-50 minutes, and kneading to basically form strips; e, drying; wherein the drying temperature is 90-120 DEG C, and the drying time is 3.5-4 hours; f, weighing; weighing the dried tea according to different specifications; g, steaming and pressing; putting the weighed tea leaves into a steaming barrel, and quickly steaming the tea leaves with steam for 10-15 seconds; h, airing; filling the cloth bag with the autoclaved tea leaves and placing