How to inquire about the social security card system in Yunnan Province

There may be several reasons. One is that the social security bureau's own system is wrong, which makes it impossible to query personal information. One is that the company didn't give you insurance, so you can't find the information. I suggest you call the local social security center on weekdays 12333 for consultation.

Further reading: How to buy insurance, which is good, and teach you how to avoid these "pits" of insurance.