税源，乃税收之源，抓住了税源户，就牵住了税源管理的“牛鼻子”。然而，要想牵住“牛鼻子”并非易事。改革开放的变化，市场经济的兴起，给国家经济带来生机，同时也有一些不法经营者趁机偷税漏税。武汉市国税局局长刘勇深有感触地说，要从根本上堵住偷漏税，防止国家税款流 Tax sources, is the source of tax revenue, to seize the source of tax revenue, it holds the tax source management “cow nose.” However, it is not easy to hold on to the cow’s nose. The changes of the reform and opening up and the rise of the market economy have brought vitality to the national economy. At the same time, some unscrupulous operators took the opportunity to evade tax evasion. Liu Yong, director of the State Taxation Bureau of Wuhan City, said with deep feeling that it is necessary to basically stop the tax evasion and prevent the taxation of the state tax