When cats grow new fur and have fluorescence, it may be caused by drug residues or fungal residues. If the fluorescence is fluorescent green or apple green, it means fungal residues. You need to continue to use drugs to treat fungi, or you can give the cat Give the cat a medicated bath until it fully recovers; if it is not fluorescent green, it may be drug residue. You can give the cat a bath and then observe it.