This book is a comic novel written by Grandpa Zhang Leping. The hero of the novel is San Mao. He is an orphan, living in the old society, living a miserable life of wandering around, being helpless, starving and being bullied. Make people cry. Although San Mao's life is miserable, he shows many valuable qualities worth studying.
He is a compassionate child. He saw an old man hungry, so he took out a piece of sesame seed cake that he couldn't bear to eat and gave it to the old man in half. Later, he saw that the old man was not full and gave the other half to the old man, but his stomach was growling with hunger.
He is a child with a sense of justice. He saw a tall boy bullying a little boy, regardless of his disadvantage of being one head shorter than the other, and bravely rushed up to help the weak and hit back at the bully.
He is a helpful child. Once, a child picked wild flowers by the bridge and accidentally fell into the river. San Mao, who happened to pass by, jumped into the river without hesitation and rescued the child ashore.
He is still a child who does not give in to fate. Sanmao is very lonely. Sometimes he eats paste and sleeps in the garbage truck, and suffers a lot. But he never gives up hope of survival, and has been stubbornly living and struggling.