If a young woman suddenly has chloasma on her face, the first measure is to strictly avoid light. Usually, if she goes out, she must wear sunscreen. The physical protection of umbrella is a good way to prevent the chloasma from aggravating. In addition, she should go to the dermatology department of a regular hospital for treatment. Doctors will give comprehensive treatment to chloasma through external use, oral administration and laser, Some skin care products containing vitamin E and SOD factor can also play a good role in reducing chloasma. The TCM theory of chloasma is the stagnation of liver qi. Keeping a good mood is also a very good measure to relieve chloasma. So don't be particularly nervous and impatient when growing chloasma, which may aggravate the chloasma. You should keep a good attitude at ordinary times, which is also a very good measure to relieve chloasma.