1, economically speaking, the grain stored in the granary has piled up like a mountain, and the rope that wears money in the treasury has rotted away. After 70 years of rest and recuperation, the national treasury is abundant and the capital is sufficient. 2. Politically, due to recuperation, the harassment of Xiongnu made the people in the northern border of Han Dynasty miserable and unable to engage in normal production and operation. People's livelihood has been greatly damaged.