When processing  peeling dried potatoes, they will make a cracking sound,  traces of cracking can be vaguely seen. These are collectively referred to as colored sweet potatoes, which have developed rapidly in recent years due to their rich nutritional elements. According to the length of the vine, it can be divided into long vine sweet potatoes  short vine sweet potatoes. There are indeed similar  conclusive records in historical materials  many different channels. Therefore, it is sufficient to rule out the possibility of ancient plagiarism, indicating that the fact that sweet potatoes were passed down  Luzon to Fujian through Sino Philippine exchanges is quite reliable.