Hua Laoshuan is an unenlightened working class man with financial difficulties. Hua Laoshuan's character traits are: he loves his son very much and firmly believes that human blood steamed buns can cure his son's disease. He feels "refreshed" and "happy" to buy this medicine, which shows his ignorance and behind.
He only cares about his son and does not care about the revolution and does not understand it. He does not know that the human blood steamed buns his son eats are the blood of revolutionaries. This again shows his insensitivity and ignorance.
It is worth mentioning that when Mr. Lu Xun named Hua Laoshuan and Hua Xiaoshuan, he used the word "Shuan", which means "to tie up, to block", which also tells everyone from the side. It expresses the ignorance and pedantry rooted in Hua Laoshuan's heart.
Finally, Hua Laoshuan is an indifferent person. This is not only indifference to strangers, but also indifference to the revolution.
Facing his son, he shows meticulous care: he is afraid that his son's condition will worsen due to his interruption: "Xiao Shuan... If you don't get up, Xiao Shuan, you should go to sleep"; for his son , he did not hesitate to spend a lot of money to buy human blood steamed buns; when facing Uncle Kang, he was overly respectful and flattering. He did not care about the influence of age. As long as he was helpful to him, he would understand the other person's preferences and cater to them. , respectfully.