The contraindications of herpes simplex are close contact, self-scratching, picking and so on. 1. Close contact: most of the patients may be in the early stage of the disease manifested as skin and mucous membrane cluster blisters, until the emergence of vesicles, ulcers and other problems, blisters, secretions may contain viral particles, the patient should avoid kissing or intimate contact and other behaviors, so as to avoid infecting others. 2. Scratching and picking: If the patient scratches the herpes, it may lead to secondary infection, which will lead to the aggravation of the condition, so the patient should actively follow the doctor’s instructions for treatment, and should not harm the body at will. In addition, there is another situation that needs to be noted is that patients suffering from herpes simplex, should actively seek medical treatment, not to delay the best treatment time.