Sweating too much itchy skin, may be sweating caused by eczema, or summer dermatitis, may also be induced by sweat herpes, for this situation first need to stop itching, you can use 3% boric acid solution topical, can effectively control the sweat out, while adding glucocorticoid topical drugs, you can use Dinaide cream or Mometasone furoate cream topical, can effectively anti-inflammatory, control the inflammation of development. Oral antihistamines of the second generation can also be taken to relieve itching, such as epinastine, levocetirizine hydrochloride, or loratadine. If the itching is obvious, you can also take appropriate Chinese medicine, such as Gentian Diarrhea Liver Pill or Anti-itch Granules, etc.