1. Avoid power reservation: This measure helps to avoid power reservation in the hands of a few families or individuals. Restricting the application of direct three generations of blood can promote more talented, experienced and potential people to enter the tobacco bureau system, inject new blood into the organization and increase its vitality and innovation.

2. Optimize the talent selection mechanism: This may be to optimize the talent selection mechanism, weaken the traditional tendency of attaching importance to blood relationship, and pay more attention to personal ability and professionalism. By opening recruitment channels, we can attract more outstanding talents and improve the overall competitiveness and efficiency of the tobacco bureau.

3. Preventing corruption of interests: Restricting the application of the direct third generation can also prevent corruption of internal interests to a certain extent. If family members can support each other and appoint power, it may lead to abuse of power and unfair distribution. By limiting the application of direct three-generation lineage, this possibility can be reduced and the fairness and transparency of the organization can be improved.

However, this initiative also needs to consider the following points:

1. Fairness: If the application of the third-generation lineal relatives is restricted only because of blood relationship, there may be some fairness problems. It is necessary to ensure the fairness and transparency of the recruitment mechanism so as not to exclude some capable and experienced family members.

2. Experience inheritance: Recruitment restrictions may lead to the inability to effectively inherit the experience and professional knowledge of some tobacco industries. When formulating this policy, we need to consider how to balance and maximize the use of the industry experience and knowledge of family members, while introducing fresh blood.

3. Potential negative impact: For some family enterprises with relatively perfect family enterprise culture and management mechanism, restricting the application of direct three-generation consanguinity may lead to changes in organizational culture and values, which may have a certain impact on the stability and sustainable development of enterprises.

To sum up, it is a complicated measure for multi-local tobacco bureaus to prohibit the use of direct three-generation lineages, which has both potential advantages and possible problems and negative effects. In the process of implementation, it is necessary to weigh the interests of all parties to ensure the fairness and feasibility of the policy.