The necessity of government intervention in education lies in the fact that education is a public product, which is non-exclusive and non-competitive in consumption.

Public products are the symmetry of private products, which refer to non-competitive products in consumption or use and non-exclusive products in interests. Public seats, also known as "public goods" and "public goods". Western personal capital. Refers to products or services that can be consumed or enjoyed by most people. Such as national defense, public safety and justice, as well as compulsory education and public welfare. The characteristic is that some people consume this product without affecting others to consume this product, which is non-competitive; The use of this product by some people will not exclude the use of other people, which is non-exclusive. Generally provided by the government or social groups.