This study discusses Taishō Tripiṭaka, Volume 10, the Chapter of Samādhis in the Buddha’s Universal Great Means Expansive Flower Adornment Sutra, the eighty-roll sutra translated by Siksananda, and the Taishō Tripiṭaka, Volume 10 (three rolls), the Samādhi Sutra (also known as the Samantabhadra Buddha Sutra), translated by Dharmarakṣa during West Jin. The Chapter of Ten Grounds, the scripture written by many Buddhas during practicing moral teachings, is also a reference of this study. The Chapter of Samādhis in the Avātaṃsaka Sutra is the fundamental wisdom shared by all Buddhas, and is the source of tranquility. With all one’s might, virtue could transcend boundaries, and be completed in heaven and earth. What are the ten levels of concentrated meditation? Spread light in the first Samādhis, achieve light in the second Samādhis, go towards the Buddha land in the third Samādhis, having a pure and clean state of mind in the fourth Samādhis, majestic and adorned in the fifth Samādhis, wisdom and light in the sixth Samādhis, knowing all worlds in the seventh Samādhis, transformed from sentient beings in the eight Samādhis, unrestrained in the cosmos of Buddha in the ninth Samādhis, and fulfilled without obstruction in the tenth Samādhis. This study mainly discusses the efforts in the casual ground and the merit in the stage of attainment of the ten Samādhis. During the practice in which the mind becomes still, through ten bodhisattva stages, Buddha becomes joyous when others are benefited in the unreality of the ego and phenomena. We enter the first of the ten stages by eradicating the ignorance of sentient beings with our own dharmāloka, which should be the center of our practice. The ten ways to attain complete enlightenment, in which Buddha must not break the commandments, and resent the worries that troubles disciples. We enter the second of the ten bodhisattva stages by leaving the four karmas and elements into which the Buddhists divided the universe. Through obtaining victory and excellence - the four ways to retain the Buddhist teachings- we can use the three modes to attain moral wisdom. With such wisdom, Buddha will speak to sentient beings about the ten pāramitā dharma, so they are liberated from sufferings. With the realization of this sphere, we enter the third stage of the emission of light. If the Buddha could block out distress and attain Samādhi, through the passing of many kalpas, we will attain wisdom and manifest the dharma that relieves mortals of their sufferings, by observing the w