Is it illegal for non-medical technicians in medical beauty institutions to operate photoelectricity?

This is illegal.

The operation of photoelectricity needs to be qualified as a medical practitioner and registered by the medical practice registration authority. Have relevant clinical experience, have passed the training or advanced study of medical cosmetology and makeup, or have been engaged in clinical work of medical cosmetology for more than 1 year and passed the examination by the Municipal Health Bureau.