One hundred thousand yuan for two years. Official website shows that the alpha system charges100000 yuan for two years. Alpha system consists of the following seven modules: big data covering laws and regulations, big data covering cases, big data covering judicial opinions, big data covering case rules, lawyer's business template database, contract clause database, training courseware database, company subject information database, law books and periodicals database and other legal professional databases, which can generate big data reports with one click.