What is the precursor of cerebral hemorrhage and how to prevent it?

Cerebral hemorrhage is a common cerebrovascular disease in clinic. The precursor is headache or sudden severe headache, accompanied by nausea, vomiting and other symptoms, sudden fall, confusion, numbness and weakness of limbs. The prevention method is to actively treat hypertension, hyperlipidemia and other primary diseases first, and eat light at ordinary times.