For subacute or acute eczema can be treated with red light, which can play a certain role in relieving the treatment. Illuminated red light is red light therapy, which is physical therapy, with anti-inflammatory, pain relief, promote wound and ulcer healing and other biological effects, and eczema is caused by a variety of internal and external factors of superficial dermal and epidermal inflammation, acute or subacute eczema, the use of red light irradiation can play a certain role in alleviating the therapeutic effect. It should be noted that eczema patients only through the red light treatment can not achieve a complete cure, should be actively under the guidance of the physician for other related treatments. In addition, eczema patients should pay attention to maintain good personal hygiene and emotional state in daily life, and try to avoid drinking and eating seafood, spicy and stimulating food, which will help the recovery of the condition.