The award is only for entry. Protective trade policy is a kind of foreign trade policy that restricts import and export, which is characterized by "rewarding and restricting imports", that is, the state takes various measures to restrict imports to protect its domestic market from competition from foreign commodities, and gives preferential treatment and subsidies to domestic export commodities to encourage them to export. Award restriction refers to the protective trade policy that the government intervenes in foreign trade and implements award restriction; Encourage the import of raw materials and the export of finished products to improve the processing level of export products; Actively develop domestic industries, improve product quality and enhance the international competitiveness of products; Strive for a trade surplus, improve China's trade status, and use foreign trade to accumulate foreign exchange funds for China's economic development.