Sweating and itching on the face may be caused by physiological factors such as strenuous exercise, environmental heat, or considered to be caused by eczema, prickly heat and other diseases. 1. Physiological factors: after strenuous exercise, or a long period of time in the environment, may lead to localized sweating more, when the sweat stimulates the skin of the face, there will be an itchy skin on the face. 2. Eczema: It may be caused by heredity, immune abnormalities, hormone level changes and other factors. Patients may experience excessive sweating, accompanied by localized itching, erythema, papules and other symptoms. 3. Prickly heat: When in a hot environment, a large amount of sweat is not easy to evaporate, and when infiltrating the skin, it will lead to local sweat duct blockage. Patients may experience itching, tingling, blisters, pimples and other symptoms when sweating excessively. There are many reasons for excessive sweating and itching on the face, and it is recommended that patients go to a regular hospital to find out the cause of the disease.