What you want to ask is what is Lao Lu's personality characteristics in Friends Lao Lu? Diligence, self-esteem, sincerity and gratitude. The article "Friend Lao Lu" said that Lao Lu had stonemason skills, but it was difficult to accept his status as a poor household. After others help, Lao Lu will also come to thank him. Therefore, Lao Lu's personality characteristics in Friends Lao Lu are hard work, strong self-esteem and sincere gratitude.