住宿业　是指为顾客提供临时住宿服务的企业(单位)和个体户。

餐饮业　是指从事食品的烹饪、调制并直接售给居民和社会集团的企业(单位)和个体户。

入境旅游人数　指来我国参观、访问、旅行、探亲、访友、休养 、考察、参加会议和从事经济、科技、文化、教育、体育、宗教等活动的外国人、华侨、港澳台同胞的人数。不包括外国在我国的常驻机构，如使领馆、通讯社、企业办事处的工作人员；来我国常驻的外国专家、留学生以及在岸逗留不过夜人员。

国际旅游外汇收入　指入境旅游的外国人、华侨、港澳台同胞在中国大陆旅游过程中发生的一切旅游支出，对于国家来说就是国际旅游外汇收入。

Hotel Services　refers to the enterprises (establishments) and individuals engaged in providing temporary accommodation to customers.

Catering Services　refer to the enterprises (establishments) and individuals engaged in food cooking，seasoning and selling food directly to households and social institutions.

Number of Overseas Visitor Arrivals　refers to the number of foreigners, overseas Chinese, Chinese compatriots from Hong Kong, Macao and Taiwan coming to China for sight-seeing, visits, tours, family reunions, gatherings of friends, recuperation, inspection, conferences and other activities in the nature of business, science and technology, culture, education, sports, and religion. The statistics excludes representatives and employees of resident institutions of foreign countries in China such as embassies, consulates, news agencies and offices of foreign companies and organizations, as well as long-term foreign experts or students residing in China, and persons in transition without staying overnight in China.

Foreign Exchange Earnings from International Tourism　refer to the total expenditures of foreigners, overseas Chinese, Chinese compatriots from Hong Kong, Macao and Taiwan during their stay in the mainland of China, or earnings of foreign exchange from international tourism in terms of national economy.