Machine learning trading strategies are transforming quantitative finance by utilizing advanced algorithms to analyze significant financial data, enabling improved accuracy in market predictions and trading decisions. Five common strategies include supervised and unsupervised learning, reinforcement learning, opinion analysis, and deep learning, each with distinct advantages and challenges. The benefits of integrating machine learning in trading include enhanced market analysis, increased prediction accuracy, automation of decision-making, effective risk management, adaptability to market changes, and improved time and cost efficiency.