Father can sue if he doesn't take alimony.
 If the man who does not directly support his children after divorce does not pay maintenance fees, the woman may bring a lawsuit to the court in the name of the children.
 If the other party still fails to implement the effective judgment on alimony made by the court after the court judges the other party to pay alimony, it may apply to the court for compulsory enforcement within two years after the expiration of the time limit for performance specified in the judgment.
 Those who refuse to execute the judgment of the people's court may be detained for not more than 15 days.
 Those who have the ability to execute and refuse to execute, if the circumstances are serious, will also constitute a crime and will be sentenced to fixed-term imprisonment of not more than three years, criminal detention or a fine.
 [Legal Basis]
 Article 1085 of the Civil Code states that if a child is directly supported by one party after divorce, the other party shall bear part or all of the maintenance fees. The number of expenses to be borne and the length of the time limit shall be agreed by both parties; If the agreement fails, the people's court shall make a judgment.
 The agreement or judgment mentioned in the preceding paragraph shall not prevent children from making reasonable demands to either of their parents when necessary in excess of the amount originally set in the agreement or judgment.