Cats meow when they see you for several reasons: greeting you, asking for food or attention, expressing emotions, dealing with boredom, or signaling distress. Understanding these vocalizations helps you know what your cat actually needs.
Your cat will meow when he sees you. Here are the reasons. 1. He is welcoming you. It is his way of greeting you. 2. He wants or needs something. For example, he is hungry or wants to go outside. 3. He is indicating surprise, interest, or pleasure. This vocalization is short and resembles a short cry. 4. He wants to talk to you. Take this opportunity to strengthen your bond with him. 5. He is bored. Check his environment and make sure he has ways to expend energy and entertain himself. 6. He needs help. If he is in pain, sick, or injured, he may meow to ask for your help. 7. He is angry. If you do something he does not like, you will hear some angry meows and complaints.