If the other party refuses to pay alimony after divorce, it can negotiate first. If the negotiation fails, it can sue to the court to ask the other party to pay alimony.
 Legal basis: Article 48 of the Marriage Law: For those who refuse to execute judgments or rulings on alimony, alimony, alimony, property division, inheritance, child visiting, etc., the people's court shall enforce them according to law. Relevant individuals and units shall be responsible for assisting in the implementation.
 Article 37 After divorce, the other party shall bear part or all of the necessary living and educational expenses for the children supported by one party. The amount and duration of the expenses shall be agreed upon by both parties; If the agreement fails, the people's court shall make a judgment. The agreement or judgment on the children's living expenses and education expenses shall not prevent the children from making reasonable demands to either of the parents in excess of the original amount of the agreement or judgment when necessary.