Root canal treatment for children usually costs 500~2000 dollars depending on the location of the tooth and the local medical level. 1. The location of the tooth: children are usually in the milk teeth or mixed teeth, for the root canal treatment of the milk teeth, the cost is usually lower, usually about 500-800 yuan; the cost of the milk teeth is relatively more expensive, usually about 800-1000 yuan; if it is the root canal treatment of the first molar, it is necessary to improve the filling of the root canals, and the cost is the highest, usually ranging from 1,000 to 2,000 yuan. 2. Local medical level: In some developed cities, the cost of root canal treatment for children is relatively expensive; in counties or towns, it is cheaper. It is recommended to go to the stomatology department of regular hospitals for early treatment, so as to avoid delaying the condition and affecting the eruption of inherited permanent teeth.