"The Sūtra of the Lotus Blossom of the Marvelous Dharma" (hereinafter referred to as "Lotus Sutra") is a masterpiece of Mahayana Buddhism, covering the concepts of self-naturelessness, True Suchness, Dharma Nature, Ultimate Nirvana, etc. It is known as the king of all sutras. In the early Mahayana classics, the "Lotus Sutra" has an intense expressions regarding Bodhisattva. The Buddha spoke of Marvelous Dharma with opening up the provisional and showing the real. By this way it elaborates the two vehicles to be unified into one which refer to the thinking of Buddha-vehicle. In Mahayana Buddhism, the Buddha clarified doubts of all living beings with compassion, and used various skillful means to make Sravaka and Pratyekabuddha a bodhisattva, leading to Buddhavehicle, advocating that everyone can become a Buddha. To realize the Buddha wisdom in the Chapter on Skillful Means, that is, Sravaka, Pratyekabuddha and Bodhisattva, so called the three vehicles should be ignored, only enter Buddha-vehicle. Therefore, this article attempts to demonstrate the skillful means of the "Lotus Sutra" of early Mahayana's "Prajñāpāramitā Sutras". The "Lotus Sutra" believes that skillful means are demonstrations when all beings "to reveal (the truth for sentient beings), show them, awaken them, and make them enter". The six-paramitas are the core of the bodhisattva practice of the Mahayana Buddhism. Buddhas also expressed the foremost truth through the six-paramitas , in which the causes and processes are specifically emphasized in the "Lotus Sutra" that the Sravaka and Pratyekabuddha leading to Buddha-vehicle and eventually can become a Buddha. This article is based on the "Lotus Sutra" in which " The buddhas appear in the world only due to their engagement in one great matter" was declared. It elaborates the "Buddha-vehicle" thoughts regarding the skillful means of six-paramitas in the "Lotus Sutra". "Various causes and conditions, metaphors, speeches", that are the causes and processes in which the "Lotus Sutra" particularly emphasizes that Sravaka and Pratyekabuddhacan become a Buddha. The ultimate goal is to enable all beings to attain the same enlightenment as Buddha did, that is, follow Buddha’s wisdom and apply it in every area of our life. In the past, all sentient beings had listened to this Marvelous Dharma and had connected with Buddhas, that are the causes and conditions of Buddha-vehicle which had been rooted. Eventually, because of the Buddha's views they can practice skillful means and six-paramitas. At the end of of this article will demonstrate the Bodhisattva practice of Mahayana Prajna thought with " Prajna as the eye, five-paramitas as the blind", that is Prajna as the forerunner, leading the five-paramitas, illustrating the practice of the Buddha's Wisdom Gate and Merits Gate amoung the six-paramitas in the "Lotus Sutra". The full text of the Lotus Sutra is characterized by the practice that advocates the Mahayana Bodhisattva path. Bodhisattva path is to practice the six-paramitas, the practice of six-paramitas is also known for its Merit