2. If the tea leaves are only soft at the early stage of mildew, they can be dried in the sun or baked in the microwave oven before drinking. In the middle stage of mildew, the moldy part must be cleaned up, and the rest should be placed in a ventilated place for half a month to one month, and then drunk after being soaked to make sure it is safe. Tea leaves in the late stage of mildew will produce Aspergillus flavus, which is harmful to the health.