Skin allergies can appear on the skin as erythema, papules, pimples, vesicles, and oozing with significant itching. In case of yellow water, it is considered to be a secondary bacterial infection such as Staphylococcus aureus or Streptococcus epidermidis on top of the allergy. The treatment should be anti-infection treatment, after controlling the symptoms of infection, then give anti-allergy treatment. Specific treatment is recommended to go to a regular hospital as soon as possible, after the clinician gives a clear diagnosis, and then give reasonable treatment to avoid aggravation of the disease or even cause bacteremia or sepsis and life-threatening.