(1) Pay attention to hand washing: wash your hands before reading; If you can't wash your hands under special circumstances, you can wash your hands with dew falling from the sky.
(2) Pay attention to cleaning your mouth: rinse your mouth before reading; Do not eat meat, do not eat onions, leeks, garlic, parsley and so on. If you can't wash your hands under special circumstances, you can drop nectar from the sky, including gargling in your mouth.
(3) Pay attention to the cleanliness of the environment: pay attention to the cleanliness around chanting, without underwear and indecent articles.
(4) Pay attention to meditation: meditate silently, otherwise it will have no effect.
(5) Pay attention to the ceremony: recite the Tibetan scriptures and finally return. For details, please refer to Teacher Zhuge Changqing's "The Method of Reading Scriptures".