To paying insurance premium in installment," insurance law "further regulation, policy-holder ought to pay at the contract holds water head period insurance premium, ought to pay the others each according to contract agreement period insurance premium. 对于分期支付保险费的,《保险法》进一步规定,投保人应当于合同成立时支付首期保险费,并应当按照合同约定支付其余各期的保险费。