Legal analysis: The house demolition agreement is generally signed by the head of the household. The house demolition agreement is first of all a kind of agreement. An agreement is also a contract. The contract must have parties, and the parties usually have at least two parties. The head of the household is one of the parties. If the head of the household does not sign, the agreement will be invalid. Therefore, the head of the household must sign the house demolition agreement, otherwise the agreement will not be established.

Legal basis: Article 25 of the Regulations on Expropriation and Compensation of Houses on State-Owned Land: The house expropriation department and the expropriated person shall, in accordance with the provisions of these Regulations, agree on the compensation method, compensation amount, payment period, and use. Compensation agreements shall be entered into regarding the location and area of ??the property rights exchanged house, relocation fees, temporary resettlement fees or turnover housing, losses from production and business suspension, relocation period, transition method and transition period, etc.