The deputy secretary-general of the municipal party Committee and the director of the bureau of letters and calls have great power. The Deputy Secretary-General of the Municipal Party Committee concurrently serves as the director of the Bureau of Letters and Calls, and is a leading cadre at the level. The Deputy Secretary-General is the second housekeeper of the Municipal Party Committee. He assists the Secretary General of the Chief Butler in coordinating the service secretaries of all parties, and concurrently serves as the director of letters and visits, that is, handling letters and visits. His usual work is mainly the writing, coordination and emergency fire fighting of letters and visits, and he has great power.