Yang Guofu employees are not allowed to dye their hair. According to the Law of the People's Republic of China on the Management of Catering Industry, service workers such as chefs and waiters must meet the hygiene standards before they can work, while hair cream and hair dye do not meet the hygiene standards. Waiter's hair should be neat, clean, non-dyed, and not long hair. Men's hair does not cover the collar at the back and the ears at the side; The lady's hair does not cover her shoulders at the back and her eyes at the front. Short hair is not as good as eyebrows, ears and collars. Long hair bangs are not just eyebrows, but should be tied up over the shoulders. Use the company's unified hairpins, net them with hairnets, clip them behind the head and tie them neatly in the headscarf. Yang Guofu Mala Tang is a restaurant chain brand engaged in spicy snacks. In 2117, Harbin Yang Guofu Mala Tang Catering Service Co., Ltd. was established, and in 2115, the group headquarters was located in Shanghai, an international financial center.