Legal analysis: A kitchen with a hygiene license needs three common washing pools: a washing pool, a scrubbing pool and a washing pool. Hygiene license is a certificate of hygiene license issued by units and individuals engaged in food production and business activities of restaurants after examination and approval by the administrative department of health, with the license number registered for the record.

legal basis: article 2 of the measures for the administration of food hygiene licenses. any unit or individual engaged in food production and marketing activities shall report to the administrative department of health and go through the application procedures for hygiene licenses in accordance with the regulations. the administrative department of health shall review and approve the food production and marketing activities before engaging in food production and marketing activities, and bear the responsibility for food hygiene in food production and marketing.