Deloitte fsi refers to the assistance and support of audit assistants. The main work contents are: 1. Assist the audit assistant to complete the collection of confirmation letters and record the work progress in time; 2. Assist the audit assistant to complete the report summary review; 3. Complete other work arranged by the team leader.

Deloitte is a brand. Under this brand, tens of thousands of Deloitte professionals belong to members with independent legal status all over the world, and jointly provide audit, enterprise management consulting, financial consulting, risk management and tax services for selected customers. These firms are all members of Deloitte Touche Tohmatsu Certified Public Accountants Limited (a private company limited by guarantee organized under English law, hereinafter referred to as "Deloitte Touche Certified Public Accountants Limited"). Each member provides services in its specific field and abides by national or local laws and professional rules. Deloitte Limited is not involved in providing services to customers. Deloitte Touche Tohmatsu Limited and its members are independent and unique legal entities, and they are not responsible for each other. Deloitte Touche Tohmatsu Limited and each of its members are only responsible for their own actions or omissions, but not for the actions or omissions of the other party. The structure of each member of Deloitte Touche Tohmatsu Certified Public Accountants is set according to national or local laws, regulations, practices and other factors, and professional services can be provided through its subordinate institutions, affiliated institutions and/or other entities where its business is located.

One of the four major international accounting companies, the English name is Deloitte, full name: Deloitte Touche Tohmatsu, referred to as Deloitte or DTT. Note: The four accounting firms are Deloitte (DTT), PricewaterhouseCoopers (PWC), KPMG and Ernst & Young (EY).