The article examines the specifics of the lawyer's participation in cases related to the recovery and modification of alimony payments, as one of the most common categories of family disputes. The legal grounds for the lawyer's activity in the framework of protecting the interests of both the claimant and the alimony payer are being clarified. The article analyzes the practice of applying the norms of the Family Code of the Russian Federation, the Code of Civil Procedure of the Russian Federation and the legislation on advocacy. Special attention is paid to the issues of procedural representation: the role of a lawyer in collecting evidence, preparing statements of claim, participating in court sessions, and overseeing the execution of court decisions. Special attention is paid to the problems that arise when the amount of alimony is changed due to changes in the financial or family situation of the parties. The article emphasizes the importance of a lawyer's participation in the pre-trial settlement of disputes and the conclusion of agreements on the payment of alimony, which helps to reduce social tension and increases the effectiveness of legal protection of family rights. Based on an analysis of judicial practice and the positions of the Supreme Court of the Russian Federation, the article highlights typical mistakes made by participants in the process and suggests ways to prevent them. The article concludes that there is a need for further regulatory clarification of the procedural status of a lawyer in family disputes and improvement of the legal regulation of representation in cases involving the collection and modification of alimony.