《渝城图》上标记作者为“渝城艾仕元绘”，但遍查地方文献，未能发现与“艾仕元”有关的线索。不过，可以确定的是，与光绪十二年（1886年）国璋以巴县知县身份主持编纂的《重庆府治全图》不同，这幅图应为民间所绘。
这幅图的绘制手法与《清明上河图》相似。在地图上，绘有居民、挑夫、轿夫、纤夫、船工、衙役等，人物数以百计；有200多艘大小船只以及轿、马等，还重点标注了码头、商帮、寺庙、城门和衙署等，是了解当时重庆城经济、文化和城市发展的重要资料。
按照图中表现的人物、信息推断，绘制时间应在1860年到1886年之间。
“《渝城图》仅见于法国国家图书馆，应为孤本。甚至连《重庆历史地图集》（第一卷 古旧地图）和《重庆古旧地图研究》等中也都没有收入《渝城图》。
在《渝城图》中，重点标注了码头、商帮、寺庙、城门和衙署等信息，对十九世纪中后期重庆城各阶层人民挑水、背货、造船、抬轿、骑马、划船等各种生产、生活场景进行了生动的再现，具有较高的历史价值和艺术价值。
与中国传统地图注重表现山水不同的是，《渝城图》中绘有大量人物和场景，包括数以百计的挑夫、轿夫、纤夫、船工、衙役，200多艘大小船只，以及轿、马等实物。
此外，与清末其他重庆老地图着重表现城内的商业繁荣景象不同，《渝城图》既表现了重庆城内如“徐翕和”老牌金店和打铜街、打铁街、鱼市口、磁器街等商业街巷，也对当时重庆城外沿长江、嘉陵江两岸的码头、行帮进行了详细的标注，码头有“大码头”、“二码头”、“三码头”、“新码头”、“柴码头”、“炭码头”、“水码头”、“纸码头”等等，反映出清末重庆已成为长江和西南地图集中的物资集散地，各地商贾云集，呈现了当时重庆经贸活动的繁荣景象。
On the “Map of Chongqing City”, the author is marked as “Ai Shiyuan’s Painting of Chongqing City”, but after searching local literature, no clues related to “Ai Shiyuan” have been found. However, it can be determined that, unlike the Complete Map of Chongqing Government compiled by the State Zhang as the Supervisor of the County of Ba County in the 12th year of the reign of Emperor Guangxu (1886), this map should be drawn by the people.
The drawing technique of this picture is similar to the “Along the River during the Qingming Festival”. On the map, there are hundreds of figures depicting residents, porters, sedan bearers, boatmen, and government officials; There are over 200 ships of various sizes, as well as sedans, horses, etc., with a focus on labeling docks, commercial gangs, temples, city gates, and government offices, which are important materials for understanding the economy, culture, and urban development of Chongqing at that time.
Based on the characters and information depicted in the figure, it is inferred that the drawing time should be between 1860 and 1886.
The “Map of Chongqing City” is only available in the National Library of France and should be considered a standalone version. Even the “Chongqing Historical Atlas” (Volume 1 Ancient Maps) and “Research on Chongqing Ancient Maps” are not included in the “Map of Chongqing City”.
In the “Map of Chongqing City”, emphasis is placed on information such as docks, commercial gangs, temples, city gates, and government offices, vividly depicting various production and living scenes of people from all walks of life in Chongqing in the mid to late 19th century, such as carrying water, carrying goods, shipbuilding, lifting sedan chairs, riding horses, and rowing. This has high historical and artistic value.
Unlike traditional Chinese maps that emphasize the portrayal of mountains and rivers, the “Map of Chongqing” depicts a large number of characters and scenes, including hundreds of porters, sedan bearers, boatmen, and government officials, as well as over 200 ships of various sizes, as well as physical objects such as sedans and horses.
In addition, unlike other old maps of Chongqing in the late Qing Dynasty that focused on depicting the prosperous commercial scene within the city, the “Chongqing City Map” not only depicts commercial streets and alleys such as “Xuxihe” old brand Jindian and Datong Street, Dati Street, Yushikou, Ciqi Street, etc. in Chongqing, but also provides detailed annotations of the docks and gangs along the Yangtze River and Jialing River outside Chongqing at that time. The docks include “Da Dock”, “Er Dock”, “San Dock”, and “Xin Dock” “Chai Wharf”, “Charcoal Wharf”, “Water Wharf”, “Paper Wharf”, and so on, reflect that Chongqing had become a material distribution center for the Yangtze River and Southwest China in the late Qing Dynasty. Merchants from various regions gathered, presenting a prosperous scene of Chongqing’s economic and trade activities at that time.

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