The occupations involved include restaurant managers, chefs, restaurant servers, food vendors, delivery workers, ingredient buyers, and dishwashers. Only chefs and restaurant servers are introduced here. Chefs can be further subdivided into cooks, pastry chefs and cold plating (including food carving). Restaurant service includes two types of front and backstage, the front stage includes all kinds of restaurants, banquet halls, bars, cafes, etc., and the backstage includes kitchen, washing, purchasing, custodianship, accounting and so on. In the catering service in the restaurant service occupies an important position, generally engaged in catering service personnel are called restaurant waiter, the division of labor has a leader, duty station, the account desk, passing food, clothes and hats service, etc.. There are six work tasks; tray, mouth cloth folding flower, pavement, pouring wine, food and food. Each job has specific requirements and procedures. Engaged in outside the beverage industry either as a chef or a restaurant waiter, there should be a strong sense of service correct service attitude; enthusiasm, cheerful, optimistic mental qualities; national self-esteem and national pride; can strictly abide by the professional discipline; can consciously resist the spiritual pollution and the corrosion of money. In terms of cultural knowledge: to have a junior high school education; understanding of psychology, sociology; with a certain amount of raw materials, nutrition, health and business management knowledge; if working in foreign hotels, but also have a certain amount of foreign language conversational skills. The waiter should not only have enough understanding of the restaurant's meals and drinks, but also on the dietary knowledge, culture, in order to meet the needs of different masses, different levels of customers. In terms of physiology, it is required to have a sensitive sense of taste and smell, quick reaction to movement, and strong coordination between hands and eyes. No color blindness, no bad breath, no stuttering, no skin diseases, no infectious diseases. For the waiter also requires proper features and smooth speech. Catering industry is a window industry, requires practitioners must have good personal grooming. Focus on instrumentation, neat and generous, know the etiquette. Dress appropriately, fit, fit, and maintain a full state of mind.