May 7 cadre school (farm where urban cadres had to undertake manual labor and study ideology during the Cultural Revolution) (abbr. for 五七干部学校[wǔ qī gàn bù xué xiào])
(TCM) "five strains and seven impairments", five referring to the five viscera 五脏[wǔ zàng], and seven to adverse effects on one's body as a result of: overeating (spleen), anger (liver), moisture (kidney), cold (lung), worry (heart), wind and rain (outer appearance) and fear (mind)
Seven Military Classics of ancient China viz "Six Secret Strategic Teachings" 六韬[liù tāo], "Methods of Sima" 司马法[sī mǎ fǎ], "The Art of War" 孙子兵法[sūn zǐ bīng fǎ], "Wuzi" 吴子[wú zǐ], "Wei Liaozi" 尉缭子[wèi liáo zi], "Three Strategies of Huang Shigong" 黄石公三略[huáng shí gōng sān lüè] and "Duke Li of Wei Answering Emperor Taizong of Tang" 唐太宗李卫公问对[táng tài zōng lǐ wèi gōng wèn duì]