The skin bruising after cupping is considered to be normal, mainly due to local cold and chronic muscle damage. However, the cupping time should not be too long, about ten minutes is enough. Local massage can be used to promote the absorption of the bruises. As long as cupping, local skin will appear purple or black-red petechiae, are related, this is a normal situation. There is no need to worry too much. It is recommended to pay more attention to observation.