This research uses Google Forms to design a SEM analysis questionnaire of H multinational pharmaceutical company's product brand image and brand positioning on consumers' purchase intention. Therefore, a questionnaire survey was carried out for the main customers, and the effective sample was 85, and the PLS method was used. This paper empirically points out that the effect of brand positioning -> brand image is 0.798, which is consistent with Hypothesis 1. Brand positioning -> consumer purchase intention 0.658, in line with hypothesis 2. Brand image -> consumer purchase intention 0.282, in line with hypothesis 3.