This study aims to 1) compare students’ achievement before and after studied with memorization strategies to improve Chinese vocabulary ability of grade 5 students and 2) study students’ satisfaction toward learning memorization strategies to improve Chinese vocabulary ability of grade 5 students. This research was quasi-experimental research. The sample in this study were 30 grade 5 students, who were studying in the first semester of 2020 academic year, under the affiliation of Bangkok Education service Area. The sample get from the simple random sampling method. The research instruments are as follows: 1) 4 sets of the Chinese learning lesson plans 2) a 20-item achievement test to improve Chinese vocabulary ability, in each objective test had 10 item for 4 multiple-choice and 10 item for matching picture with the word and 3) the questionnaire which surveys student’s satisfaction when learning memorization strategies to improve Chinese vocabulary ability of grade 5 students. The statistics used to analyze the data were Mean, Standard Deviation (S.D.) and Dependent Samples t-test. Calculated by using statistical package for social science (SPSS). The findings revealed that: 1) The efficiency of learning memorization strategies to improve Chinese vocabulary ability before and after learning by using memorization strategies showed that the student's post-test mean was significantly higher than that of the pre-test score at the level of .01 2) The students were very satisfied with learning memorization strategies to improve Chinese vocabulary ability (x ̅ = 4.71, S.D. = 0.42)