Black spots of mold on the inside of canned yellow peaches tin cans may be caused by oxidation or contamination. First, the source of the black spot mold needs to be determined. If the black spot mold is due to oxidation, then it may be due to corrosion of the inner wall of the can. If the black spot mold is due to contamination, it may be due to contamination during the manufacturing process or during storage.

For black spot mold due to oxidation, try cleaning the inside of the can with a damp rag to remove the oxidized layer. For black spot mold due to contamination, the can should be discarded and inspected for sources of contamination during preparation and storage.

In short, before dealing with black spot mold on the inside of canned yellow peach tin cans, you need to determine the source of the black spot mold and take appropriate measures to deal with it. If you are unsure of the source of the black spot mold, it is recommended to consult a professional or discard the can to avoid potential health risks.