乾隆通寶鑄于清高宗乾隆年間(1736-1795年)，背面的滿文比較復雜，可以參考華光普的《中國古錢幣目錄》，上面有很詳細的價格和錢幣拓片。歷史年代為，清高宗乾隆年間(1736～1795年)。絕大部分為小平錢，新疆紅錢有部分當十錢，寶泉、寶鞏發現有大錢，但應為開爐或后鑄花錢，非行用品。
乾隆通寶，字從上而下而右而左直讀，錢背文字沿雍正滿文錢式穿孔左邊有"寶"字，穿孔右邊鑄有各局名。乾隆通寶”版式很多，錢文方面京局的多用宋體，寶浙局多用楷書，寶陜、寶川兩局用隸書，但大多數地方錢局用宋體。新疆紅錢部分局背滿文，其他則背維文和滿文。少數錢背有星、漢字，又有記年，記值，合背，吉語等錢。乾隆常見的共有二十二個鑄局，新疆紅錢有六個鑄局。
乾隆通寶錢徑約2.3厘米，厚0.1厘米，重約2.7克。錢面文字“乾隆通寶”以楷書書寫，其字從上而下而右而左直讀。錢背文字沿雍正滿文錢式穿孔左邊有"寶"字，穿孔右邊鑄有各局名。乾隆通寶連寶泉、寶源在內先后有29局開鑄，多用黃銅與青銅，也引進國外洋銅澆制法。新疆地區新用方孔圓錢，開設伊犁、阿克蘇、烏什、葉爾羌、喀什葛爾、庫車等局，因用自產紅銅鼓鑄、故稱為“新疆紅錢”或“普爾錢”(“普爾”維語即錢的意思)。乾隆通寶只少數錢背文看見星號或漢字。乾隆通寶還有合面錢、吉語錢以及私鑄劣質錢、鵝眼錢等，品類不下百種，存于世上的有雕母數種，至為珍貴。
Qianlong Tongbao was cast in Emperor Gaozong of the Qing Dynasty (1736-1795). The Manchu script on the back is more complicated. You can refer to Hua Guangpu's "Catalog of Ancient Chinese Coins", which has detailed prices and coin rubbings. The historical period is during the reign of Emperor Gaozong of Qing Dynasty and Qianlong (1736～1795). Most of them are Xiaoping coins, and some of the Xinjiang red coins are ten coins. Baoquan and Baogong found that they have big money, but they should be spent in the furnace or after casting.
Qianlong Tongbao, the characters are read directly from top to bottom and right to left. The characters on the back of the money are along the Yongzheng Manchu style perforation with the word "bao" on the left, and the names of the bureaus are cast on the right of the perforation. "Qianlong Tongbao" has many layouts. For money and writing, the Beijing Bureau mostly uses Song style, the Baozhe Bureau mostly uses regular script, and the Baoshan and Baochuan bureaus use official script, but most local money bureaus use Song type. Recite Uyghur and Manchu scripts. A few coins have stars, Chinese characters on their backs, and they also have years, value, auspicious words, etc.. There are 22 casting bureaus common in Qianlong, and Xinjiang red coins have six casting bureaus. .
Qianlong Tongbao coins have a diameter of 2.2-2.5 cm, a thickness of 0.1 cm, and a weight of 2.4-4.8 grams. The money-faced characters "Qianlong Tongbao" are written in regular script, and the characters are read directly from top to bottom and right to left. The characters on the back of the money are along the Yongzheng Manchu style perforation with the word "bao" on the left and the names of the bureaus on the right. Qianlong Tongbao had 29 rounds of casting including Baoquan and Baoyuan, mostly using brass and bronze, and also introduced foreign copper casting methods. Newly used square holes and round coins in Xinjiang, opened Yili, Aksu, Wushi, Yerqiang, Kashgar, Kuqa and other bureaus, which are called "Xinjiang Red Money" or "Purqian" because they are cast with self-produced red copper drums. "("Pur" means money in Uighur). Qianlong Tongbao only saw asterisks or Chinese characters on the back of a few coins. Qianlong Tongbao also has mixed face money, auspicious money, privately cast low-quality money, goose eye money, etc. There are no less than a hundred types. There are several kinds of carved mothers in the world, which are most precious.
