Data quality checking method

The invention discloses a data quality checking method. The method comprises the steps that a filled first rule collection template and a filled second rule collection template are imported into a main node database through a main node page, and the first rule collection template is used for collecting and filling quality checking rules of basic data; the second rule acquisition template is used for acquiring and filling a quality checking rule of the index data; an SQL statement assembly task is deployed in the main node database, the SQL statement assembly task is used for reading configuration information obtained after a rule collection template is imported into the main node database, a corresponding SQL statement is assembled according to the configuration information, and child node database information for executing the SQL statement is obtained; and executing the corresponding SQL statement in the corresponding child node database according to the issued scheduling task to obtain a data quality check