The invention discloses an Internet plaything walnut matching method. The method comprises the following steps: logging in or registering a website client by a user by using an Internet terminal, setting to connect a website in an information collection interface, starting an information collection device to collect walnut information, and generating data; uploading the generated data to an Internet server through the Internet, running comparing and matching software through the Internet server to upload the walnut information and compare the same with walnut data previously scanned by the server to generate a similarity index, and selecting the similarity index of the most similar walnut and related data information, and feeding back the same to the user for matching and comparing or trading. The matching system comprises a website, an information collection device, an Internet terminal, an Internet transmission medium, an Internet server and software. The matching system integrates information collection, network transmission, computing and matching and online trading, the matching of the plaything walnuts is networked, all walnut resources are integrated to increase the comparison range, efficiency and accuracy, and a great appreciation space is brought for the matching of the walnuts.