Under the background of carbon neutrality and carbon peaking, green transport has set off an upsurge, the planning and construction of bicycle lane has sprung up. Based on conceptual analysis and drawing on relevant domestic cases, the functions, characteristics, layout principles, and adaptation conditions of bicycle lane are summarized. And then a approach for bicycle lane network and a method for bicycle lane with commuting functions have been proposed. Taking Yantian as an example, based on the analysis of current issues, future demands, competitive advantages, and other factors, the network of bicycle lane are founded.