Contraindications after cranial repair of titanium mesh mainly include too cold and too hot environment, strenuous exercise, infection and so on. 1. Environment too cold and too hot: titanium mesh belongs to the poor insulation effect of the material, in too hot and too cold environment can appear in the repair part of the discomfort, such as the sun’s strong environment of sun exposure, may cause burning sensation of the cranial part of the discomfort symptoms. 2. Strenuous exercise: patients in the cranial repair titanium mesh treatment, should avoid doing too strenuous exercise, to prevent adverse effects on the skull, and at the same time to do a good job of head protection, to avoid external damage to the skull and so on. 3. Infection: cranial repair titanium mesh should pay attention to hygiene, daily try not to touch directly with your hands, if there is a material exposure should go to the hospital in a timely manner to prevent the intracranial parts of the infection. In the cranial titanium mesh repair, should pay attention to the above contraindications, but also regularly go to the hospital for review, clear specific repair.