From 1735 to 1795, it was the heyday of the Qing Dynasty. In the first 60 years, the Ministry of Industry and local bureaus minted a large number of coins, which was the highest in the ten dynasties. Gan Long Bao Tong was the currency in circulation during the Qianlong period. During his 60-year reign, Emperor Qianlong created the last moderns in feudal society with his strategy of "ruling the country by civil and military means". Later, it was widely rumored that wearing the "Gan Long Bao Tong" copper coin can ward off evil spirits and avoid disasters, and it is also one of the five emperors' coins. Gan Long Bao Tong was the currency in circulation during the Qianlong period of the Qing Dynasty. It is widely rumored that wearing Gan Long Bao Tong copper coin can ward off evil spirits and avoid disasters, and because of the homonym of "Gan Long", this coin is deeply loved by later collectors.

Gan Long, the words are read directly from top to bottom, left and right. The words on the back of the money are punched with the word "Bao" on the left, and the names of the bureaus are cast on the right. "Gan Long Bao Tong" has many formats. In Qian Wen, Beijing Bureau uses Song style, Baozhe Bureau uses regular script, Baoshan Bureau and Baochuan Bureau use official script, but most local money bureaus use Song style. Some local bureaus in Xinjiang recite Manchu, while others recite Uighur and Manchu. A small amount of money has stars and Chinese characters on the back, as well as money to remember the year, value, back and Kyrgyz. There are twenty-two casting bureaus in Qianlong and six casting bureaus in Xinjiang Red Money.

Qianlong Bao Tong is a kind of copper coin, which is round inside and outside. On the front of the coin, the characters "Gan Long Bao Tong" are engraved, and the word "Baoquan" is written in Manchu on the back. Related background information: Carving mother, also called mother money, is used to cast mother money after approval. Characteristics of coins in Qing dynasty: an emperor only used one kind of annual money, although the casting volume was large, but the shape was relatively simple; With a few exceptions, all the annual money is called Bao Tong. The common practice is to cast the emperor's name on the front in Chinese, while the names of various mint bureaus are cast on the back of coins in Manchu.

Recently, Shenzhen Boda Yihe was lucky enough to collect one, weighing 3.4g and having a diameter of 19cm. Qian Mian's "Gan Long Bao Tong" is a regular script, which is read directly from top to bottom and from right to left. There is a word "Bao" on the left side of Yongzheng Manchu-style money-type tooth hole, and the names of various bureaus are cast on the right side of the tooth hole. This is the most precious. The appearance is ancient, the patina is rich, the font is clear and dignified, and the strokes are round and neat.