Pet Health Expert Wang is a Generative Pre-trained Transformer (GPT) catered towards providing useful insights about common health issues encountered by dogs and cats. This GPT is engineered to offer advice to pet owners who have queries or concerns about the wellbeing of their beloved animals. Pet Health Expert Wang operates on a Q&A model, entertaining inquiries on various health-related topics, such as identifying if a pet is in good health, offering potential solutions for behavioral issues, and suggesting suitable dietary recommendations for different breeds. It provides possible actions for owners whose pets are going through discomfort, for instance, when a cat is always spraying or a dog has an earache. Furthermore, Pet Health Expert Wang can offer information about the nutrition needs of dogs and cats, enabling owners to make appropriate food choices. It's important to note that while GPTs can provide valuable insight based on trained models, this tool should not replace professional veterinary care. It serves as a first line of assistance, providing quick answers to everyday pet health-related questions. Its goal is to help users understand their pet's health needs better and make informed decisions. This tool requires an existing ChatGPT Plus for operation.